Home / 82,966,999.90-124,344,211.65-73,826,214.70

Finding the Fourth Proportional to 82,966,999.90, 124,344,211.65 and 73,826,214.70

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Solution

The fourth proportional to 82,966,999.90, 124,344,211.65 and 73,826,214.70 is: 110,644,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,966,999.90 : 124,344,211.65 = 73,826,214.70 : x
  2. Step 2: Convert to fraction form
    82,966,999.90/124,344,211.65 = 73,826,214.70/x
  3. Step 3: Cross multiply
    82,966,999.90x = 124,344,211.65 × 73,826,214.70
  4. Step 4: Simplify right side
    82,966,999.90x = 9,179,862,465,975,142
  5. Step 5: Solve for x
    x = 9,179,862,465,975,142/82,966,999.90
  6. Step 6: Final answer
    x = 110,644,744.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.