Home / 82,495,864.80-123,838,275.60-48,436,401.60

Finding the Fourth Proportional to 82,495,864.80, 123,838,275.60 and 48,436,401.60

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Solution

The fourth proportional to 82,495,864.80, 123,838,275.60 and 48,436,401.60 is: 72,710,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,495,864.80 : 123,838,275.60 = 48,436,401.60 : x
  2. Step 2: Convert to fraction form
    82,495,864.80/123,838,275.60 = 48,436,401.60/x
  3. Step 3: Cross multiply
    82,495,864.80x = 123,838,275.60 × 48,436,401.60
  4. Step 4: Simplify right side
    82,495,864.80x = 5,998,280,450,413,081
  5. Step 5: Solve for x
    x = 5,998,280,450,413,081/82,495,864.80
  6. Step 6: Final answer
    x = 72,710,074.20

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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.