Home / 112,939,069.32-169,326,013.26-36,218,426.76

Finding the Fourth Proportional to 112,939,069.32, 169,326,013.26 and 36,218,426.76

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Solution

The fourth proportional to 112,939,069.32, 169,326,013.26 and 36,218,426.76 is: 54,301,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,939,069.32 : 169,326,013.26 = 36,218,426.76 : x
  2. Step 2: Convert to fraction form
    112,939,069.32/169,326,013.26 = 36,218,426.76/x
  3. Step 3: Cross multiply
    112,939,069.32x = 169,326,013.26 × 36,218,426.76
  4. Step 4: Simplify right side
    112,939,069.32x = 6,132,721,809,820,098
  5. Step 5: Solve for x
    x = 6,132,721,809,820,098/112,939,069.32
  6. Step 6: Final answer
    x = 54,301,154.12

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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.