Home / 112,123,520.18-154,707,348.20-64,429,559.84

Finding the Fourth Proportional to 112,123,520.18, 154,707,348.20 and 64,429,559.84

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Solution

The fourth proportional to 112,123,520.18, 154,707,348.20 and 64,429,559.84 is: 88,899,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,123,520.18 : 154,707,348.20 = 64,429,559.84 : x
  2. Step 2: Convert to fraction form
    112,123,520.18/154,707,348.20 = 64,429,559.84/x
  3. Step 3: Cross multiply
    112,123,520.18x = 154,707,348.20 × 64,429,559.84
  4. Step 4: Simplify right side
    112,123,520.18x = 9,967,726,348,604,236
  5. Step 5: Solve for x
    x = 9,967,726,348,604,236/112,123,520.18
  6. Step 6: Final answer
    x = 88,899,513.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.