Home / 112,803,898.32-169,206,431.28-51,350,079.84

Finding the Fourth Proportional to 112,803,898.32, 169,206,431.28 and 51,350,079.84

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Solution

The fourth proportional to 112,803,898.32, 169,206,431.28 and 51,350,079.84 is: 77,025,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,803,898.32 : 169,206,431.28 = 51,350,079.84 : x
  2. Step 2: Convert to fraction form
    112,803,898.32/169,206,431.28 = 51,350,079.84/x
  3. Step 3: Cross multiply
    112,803,898.32x = 169,206,431.28 × 51,350,079.84
  4. Step 4: Simplify right side
    112,803,898.32x = 8,688,763,755,669,474
  5. Step 5: Solve for x
    x = 8,688,763,755,669,474/112,803,898.32
  6. Step 6: Final answer
    x = 77,025,385.51

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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.