Home / 89,141,336.10-133,712,004.15-61,400,115.90

Finding the Fourth Proportional to 89,141,336.10, 133,712,004.15 and 61,400,115.90

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Solution

The fourth proportional to 89,141,336.10, 133,712,004.15 and 61,400,115.90 is: 92,100,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,141,336.10 : 133,712,004.15 = 61,400,115.90 : x
  2. Step 2: Convert to fraction form
    89,141,336.10/133,712,004.15 = 61,400,115.90/x
  3. Step 3: Cross multiply
    89,141,336.10x = 133,712,004.15 × 61,400,115.90
  4. Step 4: Simplify right side
    89,141,336.10x = 8,209,932,552,031,281
  5. Step 5: Solve for x
    x = 8,209,932,552,031,281/89,141,336.10
  6. Step 6: Final answer
    x = 92,100,173.85

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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.