Home / 83,343,468.60-125,015,202.90-78,666,787.80

Finding the Fourth Proportional to 83,343,468.60, 125,015,202.90 and 78,666,787.80

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Solution

The fourth proportional to 83,343,468.60, 125,015,202.90 and 78,666,787.80 is: 118,000,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,343,468.60 : 125,015,202.90 = 78,666,787.80 : x
  2. Step 2: Convert to fraction form
    83,343,468.60/125,015,202.90 = 78,666,787.80/x
  3. Step 3: Cross multiply
    83,343,468.60x = 125,015,202.90 × 78,666,787.80
  4. Step 4: Simplify right side
    83,343,468.60x = 9,834,544,438,308,244
  5. Step 5: Solve for x
    x = 9,834,544,438,308,244/83,343,468.60
  6. Step 6: Final answer
    x = 118,000,181.70

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1.5x scale

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.