Home / 83,209,221.76-124,731,950.64-48,621,729.28

Finding the Fourth Proportional to 83,209,221.76, 124,731,950.64 and 48,621,729.28

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Solution

The fourth proportional to 83,209,221.76, 124,731,950.64 and 48,621,729.28 is: 72,884,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209,221.76 : 124,731,950.64 = 48,621,729.28 : x
  2. Step 2: Convert to fraction form
    83,209,221.76/124,731,950.64 = 48,621,729.28/x
  3. Step 3: Cross multiply
    83,209,221.76x = 124,731,950.64 × 48,621,729.28
  4. Step 4: Simplify right side
    83,209,221.76x = 6,064,683,136,584,403
  5. Step 5: Solve for x
    x = 6,064,683,136,584,403/83,209,221.76
  6. Step 6: Final answer
    x = 72,884,747.73

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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.