Home / 100,773,645.60-151,160,468.40-43,256,128.80

Finding the Fourth Proportional to 100,773,645.60, 151,160,468.40 and 43,256,128.80

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Solution

The fourth proportional to 100,773,645.60, 151,160,468.40 and 43,256,128.80 is: 64,884,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,773,645.60 : 151,160,468.40 = 43,256,128.80 : x
  2. Step 2: Convert to fraction form
    100,773,645.60/151,160,468.40 = 43,256,128.80/x
  3. Step 3: Cross multiply
    100,773,645.60x = 151,160,468.40 × 43,256,128.80
  4. Step 4: Simplify right side
    100,773,645.60x = 6,538,616,690,578,730
  5. Step 5: Solve for x
    x = 6,538,616,690,578,730/100,773,645.60
  6. Step 6: Final answer
    x = 64,884,193.20

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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.