Home / 74,733,927.16-112,145,162.12-31,600,766.20

Finding the Fourth Proportional to 74,733,927.16, 112,145,162.12 and 31,600,766.20

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Solution

The fourth proportional to 74,733,927.16, 112,145,162.12 and 31,600,766.20 is: 47,419,869.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,733,927.16 : 112,145,162.12 = 31,600,766.20 : x
  2. Step 2: Convert to fraction form
    74,733,927.16/112,145,162.12 = 31,600,766.20/x
  3. Step 3: Cross multiply
    74,733,927.16x = 112,145,162.12 × 31,600,766.20
  4. Step 4: Simplify right side
    74,733,927.16x = 3,543,873,048,615,216.50
  5. Step 5: Solve for x
    x = 3,543,873,048,615,216.50/74,733,927.16
  6. Step 6: Final answer
    x = 47,419,869.17

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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.