Home / 123,540,545.72-185,312,130.78-37,279,710.74

Finding the Fourth Proportional to 123,540,545.72, 185,312,130.78 and 37,279,710.74

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Solution

The fourth proportional to 123,540,545.72, 185,312,130.78 and 37,279,710.74 is: 55,919,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,540,545.72 : 185,312,130.78 = 37,279,710.74 : x
  2. Step 2: Convert to fraction form
    123,540,545.72/185,312,130.78 = 37,279,710.74/x
  3. Step 3: Cross multiply
    123,540,545.72x = 185,312,130.78 × 37,279,710.74
  4. Step 4: Simplify right side
    123,540,545.72x = 6,908,382,632,091,451
  5. Step 5: Solve for x
    x = 6,908,382,632,091,451/123,540,545.72
  6. Step 6: Final answer
    x = 55,919,962.08

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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.