Home / 79,778,918.70-119,672,314.65-41,515,166.70

Finding the Fourth Proportional to 79,778,918.70, 119,672,314.65 and 41,515,166.70

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Solution

The fourth proportional to 79,778,918.70, 119,672,314.65 and 41,515,166.70 is: 62,274,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,778,918.70 : 119,672,314.65 = 41,515,166.70 : x
  2. Step 2: Convert to fraction form
    79,778,918.70/119,672,314.65 = 41,515,166.70/x
  3. Step 3: Cross multiply
    79,778,918.70x = 119,672,314.65 × 41,515,166.70
  4. Step 4: Simplify right side
    79,778,918.70x = 4,968,216,092,069,603
  5. Step 5: Solve for x
    x = 4,968,216,092,069,603/79,778,918.70
  6. Step 6: Final answer
    x = 62,274,798.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.