Home / 113,541,955.66-156,687,961.78-61,330,991.60

Finding the Fourth Proportional to 113,541,955.66, 156,687,961.78 and 61,330,991.60

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Solution

The fourth proportional to 113,541,955.66, 156,687,961.78 and 61,330,991.60 is: 84,636,802.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,541,955.66 : 156,687,961.78 = 61,330,991.60 : x
  2. Step 2: Convert to fraction form
    113,541,955.66/156,687,961.78 = 61,330,991.60/x
  3. Step 3: Cross multiply
    113,541,955.66x = 156,687,961.78 × 61,330,991.60
  4. Step 4: Simplify right side
    113,541,955.66x = 9,609,828,068,218,684
  5. Step 5: Solve for x
    x = 9,609,828,068,218,684/113,541,955.66
  6. Step 6: Final answer
    x = 84,636,802.43

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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.