Home / 51,731,288.46-71,390,901.51-28,211,111.91

Finding the Fourth Proportional to 51,731,288.46, 71,390,901.51 and 28,211,111.91

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Solution

The fourth proportional to 51,731,288.46, 71,390,901.51 and 28,211,111.91 is: 38,932,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,731,288.46 : 71,390,901.51 = 28,211,111.91 : x
  2. Step 2: Convert to fraction form
    51,731,288.46/71,390,901.51 = 28,211,111.91/x
  3. Step 3: Cross multiply
    51,731,288.46x = 71,390,901.51 × 28,211,111.91
  4. Step 4: Simplify right side
    51,731,288.46x = 2,014,016,711,854,398.25
  5. Step 5: Solve for x
    x = 2,014,016,711,854,398.25/51,731,288.46
  6. Step 6: Final answer
    x = 38,932,274.29

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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.