Home / 103,719,663.60-155,587,368.60-30,930,763.20

Finding the Fourth Proportional to 103,719,663.60, 155,587,368.60 and 30,930,763.20

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Solution

The fourth proportional to 103,719,663.60, 155,587,368.60 and 30,930,763.20 is: 46,398,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,719,663.60 : 155,587,368.60 = 30,930,763.20 : x
  2. Step 2: Convert to fraction form
    103,719,663.60/155,587,368.60 = 30,930,763.20/x
  3. Step 3: Cross multiply
    103,719,663.60x = 155,587,368.60 × 30,930,763.20
  4. Step 4: Simplify right side
    103,719,663.60x = 4,812,436,055,077,715
  5. Step 5: Solve for x
    x = 4,812,436,055,077,715/103,719,663.60
  6. Step 6: Final answer
    x = 46,398,492.71

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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.