Home / 103,642,616.36-155,359,881.66-35,438,663.72

Finding the Fourth Proportional to 103,642,616.36, 155,359,881.66 and 35,438,663.72

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Solution

The fourth proportional to 103,642,616.36, 155,359,881.66 and 35,438,663.72 is: 53,122,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,642,616.36 : 155,359,881.66 = 35,438,663.72 : x
  2. Step 2: Convert to fraction form
    103,642,616.36/155,359,881.66 = 35,438,663.72/x
  3. Step 3: Cross multiply
    103,642,616.36x = 155,359,881.66 × 35,438,663.72
  4. Step 4: Simplify right side
    103,642,616.36x = 5,505,746,601,727,735
  5. Step 5: Solve for x
    x = 5,505,746,601,727,735/103,642,616.36
  6. Step 6: Final answer
    x = 53,122,420.05

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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.