Home / 76,688,002.60-115,032,003.90-59,555,919.40

Finding the Fourth Proportional to 76,688,002.60, 115,032,003.90 and 59,555,919.40

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Solution

The fourth proportional to 76,688,002.60, 115,032,003.90 and 59,555,919.40 is: 89,333,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,688,002.60 : 115,032,003.90 = 59,555,919.40 : x
  2. Step 2: Convert to fraction form
    76,688,002.60/115,032,003.90 = 59,555,919.40/x
  3. Step 3: Cross multiply
    76,688,002.60x = 115,032,003.90 × 59,555,919.40
  4. Step 4: Simplify right side
    76,688,002.60x = 6,850,836,752,688,886
  5. Step 5: Solve for x
    x = 6,850,836,752,688,886/76,688,002.60
  6. Step 6: Final answer
    x = 89,333,879.10

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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.