Home / 113,705,398.65-156,913,554.75-61,494,434.31

Finding the Fourth Proportional to 113,705,398.65, 156,913,554.75 and 61,494,434.31

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Solution

The fourth proportional to 113,705,398.65, 156,913,554.75 and 61,494,434.31 is: 84,862,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,705,398.65 : 156,913,554.75 = 61,494,434.31 : x
  2. Step 2: Convert to fraction form
    113,705,398.65/156,913,554.75 = 61,494,434.31/x
  3. Step 3: Cross multiply
    113,705,398.65x = 156,913,554.75 × 61,494,434.31
  4. Step 4: Simplify right side
    113,705,398.65x = 9,649,310,284,475,262
  5. Step 5: Solve for x
    x = 9,649,310,284,475,262/113,705,398.65
  6. Step 6: Final answer
    x = 84,862,375.92

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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.