Home / 66,445,428.80-99,668,143.20-17,923,188.80

Finding the Fourth Proportional to 66,445,428.80, 99,668,143.20 and 17,923,188.80

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Solution

The fourth proportional to 66,445,428.80, 99,668,143.20 and 17,923,188.80 is: 26,884,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,428.80 : 99,668,143.20 = 17,923,188.80 : x
  2. Step 2: Convert to fraction form
    66,445,428.80/99,668,143.20 = 17,923,188.80/x
  3. Step 3: Cross multiply
    66,445,428.80x = 99,668,143.20 × 17,923,188.80
  4. Step 4: Simplify right side
    66,445,428.80x = 1,786,370,947,919,036.25
  5. Step 5: Solve for x
    x = 1,786,370,947,919,036.25/66,445,428.80
  6. Step 6: Final answer
    x = 26,884,783.20

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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.