Home / 112,929,429.34-169,193,742.13-47,205,685.90

Finding the Fourth Proportional to 112,929,429.34, 169,193,742.13 and 47,205,685.90

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Solution

The fourth proportional to 112,929,429.34, 169,193,742.13 and 47,205,685.90 is: 70,724,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,929,429.34 : 169,193,742.13 = 47,205,685.90 : x
  2. Step 2: Convert to fraction form
    112,929,429.34/169,193,742.13 = 47,205,685.90/x
  3. Step 3: Cross multiply
    112,929,429.34x = 169,193,742.13 × 47,205,685.90
  4. Step 4: Simplify right side
    112,929,429.34x = 7,986,906,646,552,991
  5. Step 5: Solve for x
    x = 7,986,906,646,552,991/112,929,429.34
  6. Step 6: Final answer
    x = 70,724,758.76

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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.