Home / 93,636,014.20-140,454,021.30-77,480,207.80

Finding the Fourth Proportional to 93,636,014.20, 140,454,021.30 and 77,480,207.80

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Solution

The fourth proportional to 93,636,014.20, 140,454,021.30 and 77,480,207.80 is: 116,220,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,636,014.20 : 140,454,021.30 = 77,480,207.80 : x
  2. Step 2: Convert to fraction form
    93,636,014.20/140,454,021.30 = 77,480,207.80/x
  3. Step 3: Cross multiply
    93,636,014.20x = 140,454,021.30 × 77,480,207.80
  4. Step 4: Simplify right side
    93,636,014.20x = 10,882,406,756,669,626
  5. Step 5: Solve for x
    x = 10,882,406,756,669,626/93,636,014.20
  6. Step 6: Final answer
    x = 116,220,311.70

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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.