Home / 112,031,424.30-168,047,136.45-107,726,752.20

Finding the Fourth Proportional to 112,031,424.30, 168,047,136.45 and 107,726,752.20

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Solution

The fourth proportional to 112,031,424.30, 168,047,136.45 and 107,726,752.20 is: 161,590,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031,424.30 : 168,047,136.45 = 107,726,752.20 : x
  2. Step 2: Convert to fraction form
    112,031,424.30/168,047,136.45 = 107,726,752.20/x
  3. Step 3: Cross multiply
    112,031,424.30x = 168,047,136.45 × 107,726,752.20
  4. Step 4: Simplify right side
    112,031,424.30x = 18,103,172,226,268,736
  5. Step 5: Solve for x
    x = 18,103,172,226,268,736/112,031,424.30
  6. Step 6: Final answer
    x = 161,590,128.30

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Double scale
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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.