Home / 112,344,136.20-168,516,204.30-51,877,960.20

Finding the Fourth Proportional to 112,344,136.20, 168,516,204.30 and 51,877,960.20

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Solution

The fourth proportional to 112,344,136.20, 168,516,204.30 and 51,877,960.20 is: 77,816,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,344,136.20 : 168,516,204.30 = 51,877,960.20 : x
  2. Step 2: Convert to fraction form
    112,344,136.20/168,516,204.30 = 51,877,960.20/x
  3. Step 3: Cross multiply
    112,344,136.20x = 168,516,204.30 × 51,877,960.20
  4. Step 4: Simplify right side
    112,344,136.20x = 8,742,276,939,730,470
  5. Step 5: Solve for x
    x = 8,742,276,939,730,470/112,344,136.20
  6. Step 6: Final answer
    x = 77,816,940.30

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Double scale
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Similar ratio
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1.5x scale

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.