Home / 82,705,101.60-124,057,652.40-53,794,711.20

Finding the Fourth Proportional to 82,705,101.60, 124,057,652.40 and 53,794,711.20

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Solution

The fourth proportional to 82,705,101.60, 124,057,652.40 and 53,794,711.20 is: 80,692,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,705,101.60 : 124,057,652.40 = 53,794,711.20 : x
  2. Step 2: Convert to fraction form
    82,705,101.60/124,057,652.40 = 53,794,711.20/x
  3. Step 3: Cross multiply
    82,705,101.60x = 124,057,652.40 × 53,794,711.20
  4. Step 4: Simplify right side
    82,705,101.60x = 6,673,645,583,007,988
  5. Step 5: Solve for x
    x = 6,673,645,583,007,988/82,705,101.60
  6. Step 6: Final answer
    x = 80,692,066.80

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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.