Home / 169,145,781.60-253,718,672.40-118,127,445.60

Finding the Fourth Proportional to 169,145,781.60, 253,718,672.40 and 118,127,445.60

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Solution

The fourth proportional to 169,145,781.60, 253,718,672.40 and 118,127,445.60 is: 177,191,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,145,781.60 : 253,718,672.40 = 118,127,445.60 : x
  2. Step 2: Convert to fraction form
    169,145,781.60/253,718,672.40 = 118,127,445.60/x
  3. Step 3: Cross multiply
    169,145,781.60x = 253,718,672.40 × 118,127,445.60
  4. Step 4: Simplify right side
    169,145,781.60x = 29,971,138,671,635,220
  5. Step 5: Solve for x
    x = 29,971,138,671,635,220/169,145,781.60
  6. Step 6: Final answer
    x = 177,191,168.40

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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.