Home / 113,541,960.12-156,687,967.94-61,330,996.05

Finding the Fourth Proportional to 113,541,960.12, 156,687,967.94 and 61,330,996.05

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Solution

The fourth proportional to 113,541,960.12, 156,687,967.94 and 61,330,996.05 is: 84,636,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,541,960.12 : 156,687,967.94 = 61,330,996.05 : x
  2. Step 2: Convert to fraction form
    113,541,960.12/156,687,967.94 = 61,330,996.05/x
  3. Step 3: Cross multiply
    113,541,960.12x = 156,687,967.94 × 61,330,996.05
  4. Step 4: Simplify right side
    113,541,960.12x = 9,609,829,142,504,012
  5. Step 5: Solve for x
    x = 9,609,829,142,504,012/113,541,960.12
  6. Step 6: Final answer
    x = 84,636,808.56

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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.