Home / 83,781,678.18-115,570,570.62-52,365,204.41

Finding the Fourth Proportional to 83,781,678.18, 115,570,570.62 and 52,365,204.41

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Solution

The fourth proportional to 83,781,678.18, 115,570,570.62 and 52,365,204.41 is: 72,233,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,781,678.18 : 115,570,570.62 = 52,365,204.41 : x
  2. Step 2: Convert to fraction form
    83,781,678.18/115,570,570.62 = 52,365,204.41/x
  3. Step 3: Cross multiply
    83,781,678.18x = 115,570,570.62 × 52,365,204.41
  4. Step 4: Simplify right side
    83,781,678.18x = 6,051,876,553,718,788
  5. Step 5: Solve for x
    x = 6,051,876,553,718,788/83,781,678.18
  6. Step 6: Final answer
    x = 72,233,890.33

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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.