Home / 117,381,859.20-176,080,564.80-31,119,062.40

Finding the Fourth Proportional to 117,381,859.20, 176,080,564.80 and 31,119,062.40

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Solution

The fourth proportional to 117,381,859.20, 176,080,564.80 and 31,119,062.40 is: 46,680,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,381,859.20 : 176,080,564.80 = 31,119,062.40 : x
  2. Step 2: Convert to fraction form
    117,381,859.20/176,080,564.80 = 31,119,062.40/x
  3. Step 3: Cross multiply
    117,381,859.20x = 176,080,564.80 × 31,119,062.40
  4. Step 4: Simplify right side
    117,381,859.20x = 5,479,462,083,438,444
  5. Step 5: Solve for x
    x = 5,479,462,083,438,444/117,381,859.20
  6. Step 6: Final answer
    x = 46,680,655.09

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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.