Home / 82,948,032.60-124,422,048.90-79,364,851.80

Finding the Fourth Proportional to 82,948,032.60, 124,422,048.90 and 79,364,851.80

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Solution

The fourth proportional to 82,948,032.60, 124,422,048.90 and 79,364,851.80 is: 119,047,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,948,032.60 : 124,422,048.90 = 79,364,851.80 : x
  2. Step 2: Convert to fraction form
    82,948,032.60/124,422,048.90 = 79,364,851.80/x
  3. Step 3: Cross multiply
    82,948,032.60x = 124,422,048.90 × 79,364,851.80
  4. Step 4: Simplify right side
    82,948,032.60x = 9,874,737,471,600,854
  5. Step 5: Solve for x
    x = 9,874,737,471,600,854/82,948,032.60
  6. Step 6: Final answer
    x = 119,047,277.70

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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.