Home / 82,938,305.60-124,407,458.40-52,667,892.80

Finding the Fourth Proportional to 82,938,305.60, 124,407,458.40 and 52,667,892.80

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Solution

The fourth proportional to 82,938,305.60, 124,407,458.40 and 52,667,892.80 is: 79,001,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,938,305.60 : 124,407,458.40 = 52,667,892.80 : x
  2. Step 2: Convert to fraction form
    82,938,305.60/124,407,458.40 = 52,667,892.80/x
  3. Step 3: Cross multiply
    82,938,305.60x = 124,407,458.40 × 52,667,892.80
  4. Step 4: Simplify right side
    82,938,305.60x = 6,552,278,682,531,659
  5. Step 5: Solve for x
    x = 6,552,278,682,531,659/82,938,305.60
  6. Step 6: Final answer
    x = 79,001,839.20

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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.