Home / 169,140,820.80-253,711,231.20-149,657,275.20

Finding the Fourth Proportional to 169,140,820.80, 253,711,231.20 and 149,657,275.20

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Solution

The fourth proportional to 169,140,820.80, 253,711,231.20 and 149,657,275.20 is: 224,485,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,140,820.80 : 253,711,231.20 = 149,657,275.20 : x
  2. Step 2: Convert to fraction form
    169,140,820.80/253,711,231.20 = 149,657,275.20/x
  3. Step 3: Cross multiply
    169,140,820.80x = 253,711,231.20 × 149,657,275.20
  4. Step 4: Simplify right side
    169,140,820.80x = 37,969,731,549,029,224
  5. Step 5: Solve for x
    x = 37,969,731,549,029,224/169,140,820.80
  6. Step 6: Final answer
    x = 224,485,912.80

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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.