Home / 103,697,390.20-155,524,971.14-38,095,980.78

Finding the Fourth Proportional to 103,697,390.20, 155,524,971.14 and 38,095,980.78

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Solution

The fourth proportional to 103,697,390.20, 155,524,971.14 and 38,095,980.78 is: 57,136,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,697,390.20 : 155,524,971.14 = 38,095,980.78 : x
  2. Step 2: Convert to fraction form
    103,697,390.20/155,524,971.14 = 38,095,980.78/x
  3. Step 3: Cross multiply
    103,697,390.20x = 155,524,971.14 × 38,095,980.78
  4. Step 4: Simplify right side
    103,697,390.20x = 5,924,876,311,359,494
  5. Step 5: Solve for x
    x = 5,924,876,311,359,494/103,697,390.20
  6. Step 6: Final answer
    x = 57,136,214.32

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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.