Home / 121,280,212.80-181,920,319.20-35,021,433.60

Finding the Fourth Proportional to 121,280,212.80, 181,920,319.20 and 35,021,433.60

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Solution

The fourth proportional to 121,280,212.80, 181,920,319.20 and 35,021,433.60 is: 52,532,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,280,212.80 : 181,920,319.20 = 35,021,433.60 : x
  2. Step 2: Convert to fraction form
    121,280,212.80/181,920,319.20 = 35,021,433.60/x
  3. Step 3: Cross multiply
    121,280,212.80x = 181,920,319.20 × 35,021,433.60
  4. Step 4: Simplify right side
    121,280,212.80x = 6,371,110,379,353,605
  5. Step 5: Solve for x
    x = 6,371,110,379,353,605/121,280,212.80
  6. Step 6: Final answer
    x = 52,532,150.40

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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.