Home / 89,366,989.90-134,050,484.85-55,354,765.90

Finding the Fourth Proportional to 89,366,989.90, 134,050,484.85 and 55,354,765.90

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Solution

The fourth proportional to 89,366,989.90, 134,050,484.85 and 55,354,765.90 is: 83,032,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,366,989.90 : 134,050,484.85 = 55,354,765.90 : x
  2. Step 2: Convert to fraction form
    89,366,989.90/134,050,484.85 = 55,354,765.90/x
  3. Step 3: Cross multiply
    89,366,989.90x = 134,050,484.85 × 55,354,765.90
  4. Step 4: Simplify right side
    89,366,989.90x = 7,420,333,207,653,246
  5. Step 5: Solve for x
    x = 7,420,333,207,653,246/89,366,989.90
  6. Step 6: Final answer
    x = 83,032,148.85

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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.