Home / 82,689,155.61-123,897,255.03-48,048,319.47

Finding the Fourth Proportional to 82,689,155.61, 123,897,255.03 and 48,048,319.47

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Solution

The fourth proportional to 82,689,155.61, 123,897,255.03 and 48,048,319.47 is: 71,993,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,689,155.61 : 123,897,255.03 = 48,048,319.47 : x
  2. Step 2: Convert to fraction form
    82,689,155.61/123,897,255.03 = 48,048,319.47/x
  3. Step 3: Cross multiply
    82,689,155.61x = 123,897,255.03 × 48,048,319.47
  4. Step 4: Simplify right side
    82,689,155.61x = 5,953,054,891,137,504
  5. Step 5: Solve for x
    x = 5,953,054,891,137,504/82,689,155.61
  6. Step 6: Final answer
    x = 71,993,175.49

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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.