Home / 83,001,303.20-124,501,954.80-39,860,103.80

Finding the Fourth Proportional to 83,001,303.20, 124,501,954.80 and 39,860,103.80

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Solution

The fourth proportional to 83,001,303.20, 124,501,954.80 and 39,860,103.80 is: 59,790,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001,303.20 : 124,501,954.80 = 39,860,103.80 : x
  2. Step 2: Convert to fraction form
    83,001,303.20/124,501,954.80 = 39,860,103.80/x
  3. Step 3: Cross multiply
    83,001,303.20x = 124,501,954.80 × 39,860,103.80
  4. Step 4: Simplify right side
    83,001,303.20x = 4,962,660,841,630,908
  5. Step 5: Solve for x
    x = 4,962,660,841,630,908/83,001,303.20
  6. Step 6: Final answer
    x = 59,790,155.70

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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.