Home / 72,771,152.70-109,156,729.05-34,507,400.70

Finding the Fourth Proportional to 72,771,152.70, 109,156,729.05 and 34,507,400.70

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Solution

The fourth proportional to 72,771,152.70, 109,156,729.05 and 34,507,400.70 is: 51,761,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,771,152.70 : 109,156,729.05 = 34,507,400.70 : x
  2. Step 2: Convert to fraction form
    72,771,152.70/109,156,729.05 = 34,507,400.70/x
  3. Step 3: Cross multiply
    72,771,152.70x = 109,156,729.05 × 34,507,400.70
  4. Step 4: Simplify right side
    72,771,152.70x = 3,766,714,988,429,680.50
  5. Step 5: Solve for x
    x = 3,766,714,988,429,680.50/72,771,152.70
  6. Step 6: Final answer
    x = 51,761,101.05

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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.