Home / 121,152,771.85-181,732,854.48-47,373,605.14

Finding the Fourth Proportional to 121,152,771.85, 181,732,854.48 and 47,373,605.14

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Solution

The fourth proportional to 121,152,771.85, 181,732,854.48 and 47,373,605.14 is: 71,061,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,152,771.85 : 181,732,854.48 = 47,373,605.14 : x
  2. Step 2: Convert to fraction form
    121,152,771.85/181,732,854.48 = 47,373,605.14/x
  3. Step 3: Cross multiply
    121,152,771.85x = 181,732,854.48 × 47,373,605.14
  4. Step 4: Simplify right side
    121,152,771.85x = 8,609,340,489,100,600
  5. Step 5: Solve for x
    x = 8,609,340,489,100,600/121,152,771.85
  6. Step 6: Final answer
    x = 71,061,853.21

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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.