Home / 243,681,173.40-365,485,805.76-71,111,651.88

Finding the Fourth Proportional to 243,681,173.40, 365,485,805.76 and 71,111,651.88

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Solution

The fourth proportional to 243,681,173.40, 365,485,805.76 and 71,111,651.88 is: 106,656,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,681,173.40 : 365,485,805.76 = 71,111,651.88 : x
  2. Step 2: Convert to fraction form
    243,681,173.40/365,485,805.76 = 71,111,651.88/x
  3. Step 3: Cross multiply
    243,681,173.40x = 365,485,805.76 × 71,111,651.88
  4. Step 4: Simplify right side
    243,681,173.40x = 25,990,299,386,286,416
  5. Step 5: Solve for x
    x = 25,990,299,386,286,416/243,681,173.40
  6. Step 6: Final answer
    x = 106,656,985.53

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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.