Home / 103,230,389,574.76-142,439,026,413.76-57,503,527,037.96

Finding the Fourth Proportional to 103,230,389,574.76, 142,439,026,413.76 and 57,503,527,037.96

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Solution

The fourth proportional to 103,230,389,574.76, 142,439,026,413.76 and 57,503,527,037.96 is: 79,344,333,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,230,389,574.76 : 142,439,026,413.76 = 57,503,527,037.96 : x
  2. Step 2: Convert to fraction form
    103,230,389,574.76/142,439,026,413.76 = 57,503,527,037.96/x
  3. Step 3: Cross multiply
    103,230,389,574.76x = 142,439,026,413.76 × 57,503,527,037.96
  4. Step 4: Simplify right side
    103,230,389,574.76x = 8,190,746,406,644,346,781,696
  5. Step 5: Solve for x
    x = 8,190,746,406,644,346,781,696/103,230,389,574.76
  6. Step 6: Final answer
    x = 79,344,333,004.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.