Home / 94,787,155.20-142,180,732.80-66,065,721.60

Finding the Fourth Proportional to 94,787,155.20, 142,180,732.80 and 66,065,721.60

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Solution

The fourth proportional to 94,787,155.20, 142,180,732.80 and 66,065,721.60 is: 99,098,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,787,155.20 : 142,180,732.80 = 66,065,721.60 : x
  2. Step 2: Convert to fraction form
    94,787,155.20/142,180,732.80 = 66,065,721.60/x
  3. Step 3: Cross multiply
    94,787,155.20x = 142,180,732.80 × 66,065,721.60
  4. Step 4: Simplify right side
    94,787,155.20x = 9,393,272,710,048,790
  5. Step 5: Solve for x
    x = 9,393,272,710,048,790/94,787,155.20
  6. Step 6: Final answer
    x = 99,098,582.40

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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.