Home / 82,013,732.10-122,936,617.35-47,917,527.30

Finding the Fourth Proportional to 82,013,732.10, 122,936,617.35 and 47,917,527.30

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Solution

The fourth proportional to 82,013,732.10, 122,936,617.35 and 47,917,527.30 is: 71,827,224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,013,732.10 : 122,936,617.35 = 47,917,527.30 : x
  2. Step 2: Convert to fraction form
    82,013,732.10/122,936,617.35 = 47,917,527.30/x
  3. Step 3: Cross multiply
    82,013,732.10x = 122,936,617.35 × 47,917,527.30
  4. Step 4: Simplify right side
    82,013,732.10x = 5,890,818,718,038,278
  5. Step 5: Solve for x
    x = 5,890,818,718,038,278/82,013,732.10
  6. Step 6: Final answer
    x = 71,827,224.14

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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.