Home / 252,653,248.43-379,016,024.24-77,791,077.67

Finding the Fourth Proportional to 252,653,248.43, 379,016,024.24 and 77,791,077.67

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Solution

The fourth proportional to 252,653,248.43, 379,016,024.24 and 77,791,077.67 is: 116,697,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,653,248.43 : 379,016,024.24 = 77,791,077.67 : x
  2. Step 2: Convert to fraction form
    252,653,248.43/379,016,024.24 = 77,791,077.67/x
  3. Step 3: Cross multiply
    252,653,248.43x = 379,016,024.24 × 77,791,077.67
  4. Step 4: Simplify right side
    252,653,248.43x = 29,484,064,979,828,444
  5. Step 5: Solve for x
    x = 29,484,064,979,828,444/252,653,248.43
  6. Step 6: Final answer
    x = 116,697,747.46

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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.