Home / 83,662,953.60-125,494,430.40-77,923,390.80

Finding the Fourth Proportional to 83,662,953.60, 125,494,430.40 and 77,923,390.80

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Solution

The fourth proportional to 83,662,953.60, 125,494,430.40 and 77,923,390.80 is: 116,885,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,662,953.60 : 125,494,430.40 = 77,923,390.80 : x
  2. Step 2: Convert to fraction form
    83,662,953.60/125,494,430.40 = 77,923,390.80/x
  3. Step 3: Cross multiply
    83,662,953.60x = 125,494,430.40 × 77,923,390.80
  4. Step 4: Simplify right side
    83,662,953.60x = 9,778,951,543,282,600
  5. Step 5: Solve for x
    x = 9,778,951,543,282,600/83,662,953.60
  6. Step 6: Final answer
    x = 116,885,086.20

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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.