Home / 123,887,117.10-185,790,891.69-40,870,208.19

Finding the Fourth Proportional to 123,887,117.10, 185,790,891.69 and 40,870,208.19

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Solution

The fourth proportional to 123,887,117.10, 185,790,891.69 and 40,870,208.19 is: 61,292,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,887,117.10 : 185,790,891.69 = 40,870,208.19 : x
  2. Step 2: Convert to fraction form
    123,887,117.10/185,790,891.69 = 40,870,208.19/x
  3. Step 3: Cross multiply
    123,887,117.10x = 185,790,891.69 × 40,870,208.19
  4. Step 4: Simplify right side
    123,887,117.10x = 7,593,312,423,176,040
  5. Step 5: Solve for x
    x = 7,593,312,423,176,040/123,887,117.10
  6. Step 6: Final answer
    x = 61,292,187.61

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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.