Home / 121,328,305.65-181,992,458.48-101,957,281.20

Finding the Fourth Proportional to 121,328,305.65, 181,992,458.48 and 101,957,281.20

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Solution

The fourth proportional to 121,328,305.65, 181,992,458.48 and 101,957,281.20 is: 152,935,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,328,305.65 : 181,992,458.48 = 101,957,281.20 : x
  2. Step 2: Convert to fraction form
    121,328,305.65/181,992,458.48 = 101,957,281.20/x
  3. Step 3: Cross multiply
    121,328,305.65x = 181,992,458.48 × 101,957,281.20
  4. Step 4: Simplify right side
    121,328,305.65x = 18,555,456,265,014,900
  5. Step 5: Solve for x
    x = 18,555,456,265,014,900/121,328,305.65
  6. Step 6: Final answer
    x = 152,935,921.80

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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.