Home / 83,766,621.60-125,744,410.80-64,681,984.80

Finding the Fourth Proportional to 83,766,621.60, 125,744,410.80 and 64,681,984.80

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Solution

The fourth proportional to 83,766,621.60, 125,744,410.80 and 64,681,984.80 is: 97,095,930.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,766,621.60 : 125,744,410.80 = 64,681,984.80 : x
  2. Step 2: Convert to fraction form
    83,766,621.60/125,744,410.80 = 64,681,984.80/x
  3. Step 3: Cross multiply
    83,766,621.60x = 125,744,410.80 × 64,681,984.80
  4. Step 4: Simplify right side
    83,766,621.60x = 8,133,398,068,050,555
  5. Step 5: Solve for x
    x = 8,133,398,068,050,555/83,766,621.60
  6. Step 6: Final answer
    x = 97,095,930.49

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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.