Home / 168,985,538.60-253,478,307.90-108,519,362.60

Finding the Fourth Proportional to 168,985,538.60, 253,478,307.90 and 108,519,362.60

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Solution

The fourth proportional to 168,985,538.60, 253,478,307.90 and 108,519,362.60 is: 162,779,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,985,538.60 : 253,478,307.90 = 108,519,362.60 : x
  2. Step 2: Convert to fraction form
    168,985,538.60/253,478,307.90 = 108,519,362.60/x
  3. Step 3: Cross multiply
    168,985,538.60x = 253,478,307.90 × 108,519,362.60
  4. Step 4: Simplify right side
    168,985,538.60x = 27,507,304,406,234,544
  5. Step 5: Solve for x
    x = 27,507,304,406,234,544/168,985,538.60
  6. Step 6: Final answer
    x = 162,779,043.90

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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.