Home / 89,960,633.40-134,940,950.10-21,803,325.24

Finding the Fourth Proportional to 89,960,633.40, 134,940,950.10 and 21,803,325.24

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Solution

The fourth proportional to 89,960,633.40, 134,940,950.10 and 21,803,325.24 is: 32,704,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,960,633.40 : 134,940,950.10 = 21,803,325.24 : x
  2. Step 2: Convert to fraction form
    89,960,633.40/134,940,950.10 = 21,803,325.24/x
  3. Step 3: Cross multiply
    89,960,633.40x = 134,940,950.10 × 21,803,325.24
  4. Step 4: Simplify right side
    89,960,633.40x = 2,942,161,423,224,910
  5. Step 5: Solve for x
    x = 2,942,161,423,224,910/89,960,633.40
  6. Step 6: Final answer
    x = 32,704,987.86

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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.