Home / 239,773,979.40-359,660,969.10-162,289,881.60

Finding the Fourth Proportional to 239,773,979.40, 359,660,969.10 and 162,289,881.60

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Solution

The fourth proportional to 239,773,979.40, 359,660,969.10 and 162,289,881.60 is: 243,434,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,773,979.40 : 359,660,969.10 = 162,289,881.60 : x
  2. Step 2: Convert to fraction form
    239,773,979.40/359,660,969.10 = 162,289,881.60/x
  3. Step 3: Cross multiply
    239,773,979.40x = 359,660,969.10 × 162,289,881.60
  4. Step 4: Simplify right side
    239,773,979.40x = 58,369,336,091,380,264
  5. Step 5: Solve for x
    x = 58,369,336,091,380,264/239,773,979.40
  6. Step 6: Final answer
    x = 243,434,822.40

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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.