Home / 55,166,102.76-76,129,221.39-31,974,681.72

Finding the Fourth Proportional to 55,166,102.76, 76,129,221.39 and 31,974,681.72

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Solution

The fourth proportional to 55,166,102.76, 76,129,221.39 and 31,974,681.72 is: 44,125,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166,102.76 : 76,129,221.39 = 31,974,681.72 : x
  2. Step 2: Convert to fraction form
    55,166,102.76/76,129,221.39 = 31,974,681.72/x
  3. Step 3: Cross multiply
    55,166,102.76x = 76,129,221.39 × 31,974,681.72
  4. Step 4: Simplify right side
    55,166,102.76x = 2,434,207,623,536,666
  5. Step 5: Solve for x
    x = 2,434,207,623,536,666/55,166,102.76
  6. Step 6: Final answer
    x = 44,125,060.53

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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.