Home / 76,688,002.10-115,032,003.15-59,555,918.90

Finding the Fourth Proportional to 76,688,002.10, 115,032,003.15 and 59,555,918.90

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Solution

The fourth proportional to 76,688,002.10, 115,032,003.15 and 59,555,918.90 is: 89,333,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,688,002.10 : 115,032,003.15 = 59,555,918.90 : x
  2. Step 2: Convert to fraction form
    76,688,002.10/115,032,003.15 = 59,555,918.90/x
  3. Step 3: Cross multiply
    76,688,002.10x = 115,032,003.15 × 59,555,918.90
  4. Step 4: Simplify right side
    76,688,002.10x = 6,850,836,650,505,945
  5. Step 5: Solve for x
    x = 6,850,836,650,505,945/76,688,002.10
  6. Step 6: Final answer
    x = 89,333,878.35

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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.