Home / 121,013,774.20-181,520,661.30-39,132,494.20

Finding the Fourth Proportional to 121,013,774.20, 181,520,661.30 and 39,132,494.20

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Solution

The fourth proportional to 121,013,774.20, 181,520,661.30 and 39,132,494.20 is: 58,698,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,013,774.20 : 181,520,661.30 = 39,132,494.20 : x
  2. Step 2: Convert to fraction form
    121,013,774.20/181,520,661.30 = 39,132,494.20/x
  3. Step 3: Cross multiply
    121,013,774.20x = 181,520,661.30 × 39,132,494.20
  4. Step 4: Simplify right side
    121,013,774.20x = 7,103,356,225,502,415
  5. Step 5: Solve for x
    x = 7,103,356,225,502,415/121,013,774.20
  6. Step 6: Final answer
    x = 58,698,741.30

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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.