Home / 112,896,626.40-169,344,939.60-74,676,031.20

Finding the Fourth Proportional to 112,896,626.40, 169,344,939.60 and 74,676,031.20

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Solution

The fourth proportional to 112,896,626.40, 169,344,939.60 and 74,676,031.20 is: 112,014,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,896,626.40 : 169,344,939.60 = 74,676,031.20 : x
  2. Step 2: Convert to fraction form
    112,896,626.40/169,344,939.60 = 74,676,031.20/x
  3. Step 3: Cross multiply
    112,896,626.40x = 169,344,939.60 × 74,676,031.20
  4. Step 4: Simplify right side
    112,896,626.40x = 12,646,007,993,131,716
  5. Step 5: Solve for x
    x = 12,646,007,993,131,716/112,896,626.40
  6. Step 6: Final answer
    x = 112,014,046.80

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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.