Home / 60,445,948.41-90,668,867.22-18,947,123.12

Finding the Fourth Proportional to 60,445,948.41, 90,668,867.22 and 18,947,123.12

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Solution

The fourth proportional to 60,445,948.41, 90,668,867.22 and 18,947,123.12 is: 28,420,667.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,445,948.41 : 90,668,867.22 = 18,947,123.12 : x
  2. Step 2: Convert to fraction form
    60,445,948.41/90,668,867.22 = 18,947,123.12/x
  3. Step 3: Cross multiply
    60,445,948.41x = 90,668,867.22 × 18,947,123.12
  4. Step 4: Simplify right side
    60,445,948.41x = 1,717,914,190,594,944.25
  5. Step 5: Solve for x
    x = 1,717,914,190,594,944.25/60,445,948.41
  6. Step 6: Final answer
    x = 28,420,667.32

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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.