Home / 113,791,491.90-157,032,753.64-61,580,532.18

Finding the Fourth Proportional to 113,791,491.90, 157,032,753.64 and 61,580,532.18

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Solution

The fourth proportional to 113,791,491.90, 157,032,753.64 and 61,580,532.18 is: 84,981,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,791,491.90 : 157,032,753.64 = 61,580,532.18 : x
  2. Step 2: Convert to fraction form
    113,791,491.90/157,032,753.64 = 61,580,532.18/x
  3. Step 3: Cross multiply
    113,791,491.90x = 157,032,753.64 × 61,580,532.18
  4. Step 4: Simplify right side
    113,791,491.90x = 9,670,160,538,099,208
  5. Step 5: Solve for x
    x = 9,670,160,538,099,208/113,791,491.90
  6. Step 6: Final answer
    x = 84,981,402.18

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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.