Home / 113,789,270.38-157,029,583.92-61,578,292.20

Finding the Fourth Proportional to 113,789,270.38, 157,029,583.92 and 61,578,292.20

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Solution

The fourth proportional to 113,789,270.38, 157,029,583.92 and 61,578,292.20 is: 84,978,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789,270.38 : 157,029,583.92 = 61,578,292.20 : x
  2. Step 2: Convert to fraction form
    113,789,270.38/157,029,583.92 = 61,578,292.20/x
  3. Step 3: Cross multiply
    113,789,270.38x = 157,029,583.92 × 61,578,292.20
  4. Step 4: Simplify right side
    113,789,270.38x = 9,669,613,602,670,182
  5. Step 5: Solve for x
    x = 9,669,613,602,670,182/113,789,270.38
  6. Step 6: Final answer
    x = 84,978,254.72

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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.