Home / 159,898,290.28-239,847,405.16-87,176,224.60

Finding the Fourth Proportional to 159,898,290.28, 239,847,405.16 and 87,176,224.60

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Solution

The fourth proportional to 159,898,290.28, 239,847,405.16 and 87,176,224.60 is: 130,764,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,898,290.28 : 239,847,405.16 = 87,176,224.60 : x
  2. Step 2: Convert to fraction form
    159,898,290.28/239,847,405.16 = 87,176,224.60/x
  3. Step 3: Cross multiply
    159,898,290.28x = 239,847,405.16 × 87,176,224.60
  4. Step 4: Simplify right side
    159,898,290.28x = 20,908,991,261,955,356
  5. Step 5: Solve for x
    x = 20,908,991,261,955,356/159,898,290.28
  6. Step 6: Final answer
    x = 130,764,320.40

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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.