Home / 239,157,931.20-358,736,896.80-181,337,150.40

Finding the Fourth Proportional to 239,157,931.20, 358,736,896.80 and 181,337,150.40

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Solution

The fourth proportional to 239,157,931.20, 358,736,896.80 and 181,337,150.40 is: 272,005,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,157,931.20 : 358,736,896.80 = 181,337,150.40 : x
  2. Step 2: Convert to fraction form
    239,157,931.20/358,736,896.80 = 181,337,150.40/x
  3. Step 3: Cross multiply
    239,157,931.20x = 358,736,896.80 × 181,337,150.40
  4. Step 4: Simplify right side
    239,157,931.20x = 65,052,326,609,050,880
  5. Step 5: Solve for x
    x = 65,052,326,609,050,880/239,157,931.20
  6. Step 6: Final answer
    x = 272,005,725.60

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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.