Home / 186,826,812.30-280,240,218.45-48,652,152.30

Finding the Fourth Proportional to 186,826,812.30, 280,240,218.45 and 48,652,152.30

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Solution

The fourth proportional to 186,826,812.30, 280,240,218.45 and 48,652,152.30 is: 72,978,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,826,812.30 : 280,240,218.45 = 48,652,152.30 : x
  2. Step 2: Convert to fraction form
    186,826,812.30/280,240,218.45 = 48,652,152.30/x
  3. Step 3: Cross multiply
    186,826,812.30x = 280,240,218.45 × 48,652,152.30
  4. Step 4: Simplify right side
    186,826,812.30x = 13,634,289,788,614,668
  5. Step 5: Solve for x
    x = 13,634,289,788,614,668/186,826,812.30
  6. Step 6: Final answer
    x = 72,978,228.45

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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.