Home / 60,445,955.33-90,668,877.61-18,947,130.06

Finding the Fourth Proportional to 60,445,955.33, 90,668,877.61 and 18,947,130.06

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Solution

The fourth proportional to 60,445,955.33, 90,668,877.61 and 18,947,130.06 is: 28,420,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,445,955.33 : 90,668,877.61 = 18,947,130.06 : x
  2. Step 2: Convert to fraction form
    60,445,955.33/90,668,877.61 = 18,947,130.06/x
  3. Step 3: Cross multiply
    60,445,955.33x = 90,668,877.61 × 18,947,130.06
  4. Step 4: Simplify right side
    60,445,955.33x = 1,717,915,015,980,658.25
  5. Step 5: Solve for x
    x = 1,717,915,015,980,658.25/60,445,955.33
  6. Step 6: Final answer
    x = 28,420,677.72

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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.