Home / 140,876,787.60-211,210,205.40-72,768,358.80

Finding the Fourth Proportional to 140,876,787.60, 211,210,205.40 and 72,768,358.80

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Solution

The fourth proportional to 140,876,787.60, 211,210,205.40 and 72,768,358.80 is: 109,098,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,876,787.60 : 211,210,205.40 = 72,768,358.80 : x
  2. Step 2: Convert to fraction form
    140,876,787.60/211,210,205.40 = 72,768,358.80/x
  3. Step 3: Cross multiply
    140,876,787.60x = 211,210,205.40 × 72,768,358.80
  4. Step 4: Simplify right side
    140,876,787.60x = 15,369,420,008,768,898
  5. Step 5: Solve for x
    x = 15,369,420,008,768,898/140,876,787.60
  6. Step 6: Final answer
    x = 109,098,314.00

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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.