Home / 111,951,215.40-168,001,472.70-51,335,740.20

Finding the Fourth Proportional to 111,951,215.40, 168,001,472.70 and 51,335,740.20

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Solution

The fourth proportional to 111,951,215.40, 168,001,472.70 and 51,335,740.20 is: 77,037,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,951,215.40 : 168,001,472.70 = 51,335,740.20 : x
  2. Step 2: Convert to fraction form
    111,951,215.40/168,001,472.70 = 51,335,740.20/x
  3. Step 3: Cross multiply
    111,951,215.40x = 168,001,472.70 × 51,335,740.20
  4. Step 4: Simplify right side
    111,951,215.40x = 8,624,479,955,744,592
  5. Step 5: Solve for x
    x = 8,624,479,955,744,592/111,951,215.40
  6. Step 6: Final answer
    x = 77,037,841.21

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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.