Home / 145,098,343.78-200,234,336.75-79,019,944.88

Finding the Fourth Proportional to 145,098,343.78, 200,234,336.75 and 79,019,944.88

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Solution

The fourth proportional to 145,098,343.78, 200,234,336.75 and 79,019,944.88 is: 109,046,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,098,343.78 : 200,234,336.75 = 79,019,944.88 : x
  2. Step 2: Convert to fraction form
    145,098,343.78/200,234,336.75 = 79,019,944.88/x
  3. Step 3: Cross multiply
    145,098,343.78x = 200,234,336.75 × 79,019,944.88
  4. Step 4: Simplify right side
    145,098,343.78x = 15,822,506,251,968,412
  5. Step 5: Solve for x
    x = 15,822,506,251,968,412/145,098,343.78
  6. Step 6: Final answer
    x = 109,046,773.66

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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.