Home / 82,958,649.60-124,437,974.40-77,650,233.60

Finding the Fourth Proportional to 82,958,649.60, 124,437,974.40 and 77,650,233.60

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Solution

The fourth proportional to 82,958,649.60, 124,437,974.40 and 77,650,233.60 is: 116,475,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,958,649.60 : 124,437,974.40 = 77,650,233.60 : x
  2. Step 2: Convert to fraction form
    82,958,649.60/124,437,974.40 = 77,650,233.60/x
  3. Step 3: Cross multiply
    82,958,649.60x = 124,437,974.40 × 77,650,233.60
  4. Step 4: Simplify right side
    82,958,649.60x = 9,662,637,780,870,820
  5. Step 5: Solve for x
    x = 9,662,637,780,870,820/82,958,649.60
  6. Step 6: Final answer
    x = 116,475,350.40

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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.