Home / 268,103,390.40-402,532,999.20-166,066,718.40

Finding the Fourth Proportional to 268,103,390.40, 402,532,999.20 and 166,066,718.40

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Solution

The fourth proportional to 268,103,390.40, 402,532,999.20 and 166,066,718.40 is: 249,334,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,103,390.40 : 402,532,999.20 = 166,066,718.40 : x
  2. Step 2: Convert to fraction form
    268,103,390.40/402,532,999.20 = 166,066,718.40/x
  3. Step 3: Cross multiply
    268,103,390.40x = 402,532,999.20 × 166,066,718.40
  4. Step 4: Simplify right side
    268,103,390.40x = 66,847,334,224,853,824
  5. Step 5: Solve for x
    x = 66,847,334,224,853,824/268,103,390.40
  6. Step 6: Final answer
    x = 249,334,162.19

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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.