Home / 155,343,847.80-233,165,070.90-78,753,358.20

Finding the Fourth Proportional to 155,343,847.80, 233,165,070.90 and 78,753,358.20

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Solution

The fourth proportional to 155,343,847.80, 233,165,070.90 and 78,753,358.20 is: 118,205,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,343,847.80 : 233,165,070.90 = 78,753,358.20 : x
  2. Step 2: Convert to fraction form
    155,343,847.80/233,165,070.90 = 78,753,358.20/x
  3. Step 3: Cross multiply
    155,343,847.80x = 233,165,070.90 × 78,753,358.20
  4. Step 4: Simplify right side
    155,343,847.80x = 18,362,532,348,316,096
  5. Step 5: Solve for x
    x = 18,362,532,348,316,096/155,343,847.80
  6. Step 6: Final answer
    x = 118,205,726.25

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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.