Home / 124,443,065.89-171,705,792.04-71,509,549.33

Finding the Fourth Proportional to 124,443,065.89, 171,705,792.04 and 71,509,549.33

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Solution

The fourth proportional to 124,443,065.89, 171,705,792.04 and 71,509,549.33 is: 98,668,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,443,065.89 : 171,705,792.04 = 71,509,549.33 : x
  2. Step 2: Convert to fraction form
    124,443,065.89/171,705,792.04 = 71,509,549.33/x
  3. Step 3: Cross multiply
    124,443,065.89x = 171,705,792.04 × 71,509,549.33
  4. Step 4: Simplify right side
    124,443,065.89x = 12,278,603,806,131,100
  5. Step 5: Solve for x
    x = 12,278,603,806,131,100/124,443,065.89
  6. Step 6: Final answer
    x = 98,668,445.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.