Home / 70,942,200.15-97,900,192.90-38,347,152.15

Finding the Fourth Proportional to 70,942,200.15, 97,900,192.90 and 38,347,152.15

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Solution

The fourth proportional to 70,942,200.15, 97,900,192.90 and 38,347,152.15 is: 52,919,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942,200.15 : 97,900,192.90 = 38,347,152.15 : x
  2. Step 2: Convert to fraction form
    70,942,200.15/97,900,192.90 = 38,347,152.15/x
  3. Step 3: Cross multiply
    70,942,200.15x = 97,900,192.90 × 38,347,152.15
  4. Step 4: Simplify right side
    70,942,200.15x = 3,754,193,592,065,281
  5. Step 5: Solve for x
    x = 3,754,193,592,065,281/70,942,200.15
  6. Step 6: Final answer
    x = 52,919,046.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.