Home / 82,958,523.60-124,437,785.40-77,650,107.60

Finding the Fourth Proportional to 82,958,523.60, 124,437,785.40 and 77,650,107.60

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Solution

The fourth proportional to 82,958,523.60, 124,437,785.40 and 77,650,107.60 is: 116,475,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,958,523.60 : 124,437,785.40 = 77,650,107.60 : x
  2. Step 2: Convert to fraction form
    82,958,523.60/124,437,785.40 = 77,650,107.60/x
  3. Step 3: Cross multiply
    82,958,523.60x = 124,437,785.40 × 77,650,107.60
  4. Step 4: Simplify right side
    82,958,523.60x = 9,662,607,425,815,708
  5. Step 5: Solve for x
    x = 9,662,607,425,815,708/82,958,523.60
  6. Step 6: Final answer
    x = 116,475,161.40

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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.