Home / 243,689,629.38-365,546,254.95-79,912,897.62

Finding the Fourth Proportional to 243,689,629.38, 365,546,254.95 and 79,912,897.62

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Solution

The fourth proportional to 243,689,629.38, 365,546,254.95 and 79,912,897.62 is: 119,873,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,689,629.38 : 365,546,254.95 = 79,912,897.62 : x
  2. Step 2: Convert to fraction form
    243,689,629.38/365,546,254.95 = 79,912,897.62/x
  3. Step 3: Cross multiply
    243,689,629.38x = 365,546,254.95 × 79,912,897.62
  4. Step 4: Simplify right side
    243,689,629.38x = 29,211,860,447,193,768
  5. Step 5: Solve for x
    x = 29,211,860,447,193,768/243,689,629.38
  6. Step 6: Final answer
    x = 119,873,219.56

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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.