Home / 112,086,688.87-154,676,123.13-65,707,832.80

Finding the Fourth Proportional to 112,086,688.87, 154,676,123.13 and 65,707,832.80

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Solution

The fourth proportional to 112,086,688.87, 154,676,123.13 and 65,707,832.80 is: 90,674,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,086,688.87 : 154,676,123.13 = 65,707,832.80 : x
  2. Step 2: Convert to fraction form
    112,086,688.87/154,676,123.13 = 65,707,832.80/x
  3. Step 3: Cross multiply
    112,086,688.87x = 154,676,123.13 × 65,707,832.80
  4. Step 4: Simplify right side
    112,086,688.87x = 10,163,432,836,778,252
  5. Step 5: Solve for x
    x = 10,163,432,836,778,252/112,086,688.87
  6. Step 6: Final answer
    x = 90,674,753.08

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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.