Home / 248,155,612.40-342,231,811.08-155,344,581.20

Finding the Fourth Proportional to 248,155,612.40, 342,231,811.08 and 155,344,581.20

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Solution

The fourth proportional to 248,155,612.40, 342,231,811.08 and 155,344,581.20 is: 214,235,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,155,612.40 : 342,231,811.08 = 155,344,581.20 : x
  2. Step 2: Convert to fraction form
    248,155,612.40/342,231,811.08 = 155,344,581.20/x
  3. Step 3: Cross multiply
    248,155,612.40x = 342,231,811.08 × 155,344,581.20
  4. Step 4: Simplify right side
    248,155,612.40x = 53,163,857,365,540,112
  5. Step 5: Solve for x
    x = 53,163,857,365,540,112/248,155,612.40
  6. Step 6: Final answer
    x = 214,235,966.10

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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.