Home / 71,449,155,005.85-107,173,732,508.78-71,449,155,005.85

Finding the Fourth Proportional to 71,449,155,005.85, 107,173,732,508.78 and 71,449,155,005.85

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Solution

The fourth proportional to 71,449,155,005.85, 107,173,732,508.78 and 71,449,155,005.85 is: 107,173,732,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,449,155,005.85 : 107,173,732,508.78 = 71,449,155,005.85 : x
  2. Step 2: Convert to fraction form
    71,449,155,005.85/107,173,732,508.78 = 71,449,155,005.85/x
  3. Step 3: Cross multiply
    71,449,155,005.85x = 107,173,732,508.78 × 71,449,155,005.85
  4. Step 4: Simplify right side
    71,449,155,005.85x = 7,657,472,626,575,328,411,648
  5. Step 5: Solve for x
    x = 7,657,472,626,575,328,411,648/71,449,155,005.85
  6. Step 6: Final answer
    x = 107,173,732,508.78

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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.