Home / 51,451,316.48-71,003,648.64-28,248,582.40

Finding the Fourth Proportional to 51,451,316.48, 71,003,648.64 and 28,248,582.40

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Solution

The fourth proportional to 51,451,316.48, 71,003,648.64 and 28,248,582.40 is: 38,983,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,451,316.48 : 71,003,648.64 = 28,248,582.40 : x
  2. Step 2: Convert to fraction form
    51,451,316.48/71,003,648.64 = 28,248,582.40/x
  3. Step 3: Cross multiply
    51,451,316.48x = 71,003,648.64 × 28,248,582.40
  4. Step 4: Simplify right side
    51,451,316.48x = 2,005,752,419,307,687.75
  5. Step 5: Solve for x
    x = 2,005,752,419,307,687.75/51,451,316.48
  6. Step 6: Final answer
    x = 38,983,500.45

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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.