Home / 100,754,454.96-151,124,393.45-31,687,015.73

Finding the Fourth Proportional to 100,754,454.96, 151,124,393.45 and 31,687,015.73

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Solution

The fourth proportional to 100,754,454.96, 151,124,393.45 and 31,687,015.73 is: 47,528,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,754,454.96 : 151,124,393.45 = 31,687,015.73 : x
  2. Step 2: Convert to fraction form
    100,754,454.96/151,124,393.45 = 31,687,015.73/x
  3. Step 3: Cross multiply
    100,754,454.96x = 151,124,393.45 × 31,687,015.73
  4. Step 4: Simplify right side
    100,754,454.96x = 4,788,681,031,760,454
  5. Step 5: Solve for x
    x = 4,788,681,031,760,454/100,754,454.96
  6. Step 6: Final answer
    x = 47,528,231.22

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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.