Home / 76,688,003.10-115,032,004.65-59,555,919.90

Finding the Fourth Proportional to 76,688,003.10, 115,032,004.65 and 59,555,919.90

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Solution

The fourth proportional to 76,688,003.10, 115,032,004.65 and 59,555,919.90 is: 89,333,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,688,003.10 : 115,032,004.65 = 59,555,919.90 : x
  2. Step 2: Convert to fraction form
    76,688,003.10/115,032,004.65 = 59,555,919.90/x
  3. Step 3: Cross multiply
    76,688,003.10x = 115,032,004.65 × 59,555,919.90
  4. Step 4: Simplify right side
    76,688,003.10x = 6,850,836,854,871,828
  5. Step 5: Solve for x
    x = 6,850,836,854,871,828/76,688,003.10
  6. Step 6: Final answer
    x = 89,333,879.85

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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.