Home / 379,620,077.80-569,430,116.70-120,861,454.90

Finding the Fourth Proportional to 379,620,077.80, 569,430,116.70 and 120,861,454.90

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Solution

The fourth proportional to 379,620,077.80, 569,430,116.70 and 120,861,454.90 is: 181,292,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,620,077.80 : 569,430,116.70 = 120,861,454.90 : x
  2. Step 2: Convert to fraction form
    379,620,077.80/569,430,116.70 = 120,861,454.90/x
  3. Step 3: Cross multiply
    379,620,077.80x = 569,430,116.70 × 120,861,454.90
  4. Step 4: Simplify right side
    379,620,077.80x = 68,822,152,368,238,792
  5. Step 5: Solve for x
    x = 68,822,152,368,238,792/379,620,077.80
  6. Step 6: Final answer
    x = 181,292,182.35

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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.