Home / 121,014,204.90-181,521,307.35-30,137,793.90

Finding the Fourth Proportional to 121,014,204.90, 181,521,307.35 and 30,137,793.90

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Solution

The fourth proportional to 121,014,204.90, 181,521,307.35 and 30,137,793.90 is: 45,206,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,014,204.90 : 181,521,307.35 = 30,137,793.90 : x
  2. Step 2: Convert to fraction form
    121,014,204.90/181,521,307.35 = 30,137,793.90/x
  3. Step 3: Cross multiply
    121,014,204.90x = 181,521,307.35 × 30,137,793.90
  4. Step 4: Simplify right side
    121,014,204.90x = 5,470,651,749,372,855
  5. Step 5: Solve for x
    x = 5,470,651,749,372,855/121,014,204.90
  6. Step 6: Final answer
    x = 45,206,690.85

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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.