Home / 74,706,909.30-112,060,363.95-54,140,142.60

Finding the Fourth Proportional to 74,706,909.30, 112,060,363.95 and 54,140,142.60

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Solution

The fourth proportional to 74,706,909.30, 112,060,363.95 and 54,140,142.60 is: 81,210,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,706,909.30 : 112,060,363.95 = 54,140,142.60 : x
  2. Step 2: Convert to fraction form
    74,706,909.30/112,060,363.95 = 54,140,142.60/x
  3. Step 3: Cross multiply
    74,706,909.30x = 112,060,363.95 × 54,140,142.60
  4. Step 4: Simplify right side
    74,706,909.30x = 6,066,964,084,060,900
  5. Step 5: Solve for x
    x = 6,066,964,084,060,900/74,706,909.30
  6. Step 6: Final answer
    x = 81,210,213.90

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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.