Home / 169,129,411.20-253,694,116.80-54,117,705.60

Finding the Fourth Proportional to 169,129,411.20, 253,694,116.80 and 54,117,705.60

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Solution

The fourth proportional to 169,129,411.20, 253,694,116.80 and 54,117,705.60 is: 81,176,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,129,411.20 : 253,694,116.80 = 54,117,705.60 : x
  2. Step 2: Convert to fraction form
    169,129,411.20/253,694,116.80 = 54,117,705.60/x
  3. Step 3: Cross multiply
    169,129,411.20x = 253,694,116.80 × 54,117,705.60
  4. Step 4: Simplify right side
    169,129,411.20x = 13,729,343,525,434,416
  5. Step 5: Solve for x
    x = 13,729,343,525,434,416/169,129,411.20
  6. Step 6: Final answer
    x = 81,176,558.40

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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.