Home / 268,151,390.70-402,227,086.05-145,707,384.30

Finding the Fourth Proportional to 268,151,390.70, 402,227,086.05 and 145,707,384.30

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Solution

The fourth proportional to 268,151,390.70, 402,227,086.05 and 145,707,384.30 is: 218,561,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,151,390.70 : 402,227,086.05 = 145,707,384.30 : x
  2. Step 2: Convert to fraction form
    268,151,390.70/402,227,086.05 = 145,707,384.30/x
  3. Step 3: Cross multiply
    268,151,390.70x = 402,227,086.05 × 145,707,384.30
  4. Step 4: Simplify right side
    268,151,390.70x = 58,607,456,602,956,528
  5. Step 5: Solve for x
    x = 58,607,456,602,956,528/268,151,390.70
  6. Step 6: Final answer
    x = 218,561,076.45

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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.