Home / 276,585,000.90-414,877,501.35-138,835,493.70

Finding the Fourth Proportional to 276,585,000.90, 414,877,501.35 and 138,835,493.70

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Solution

The fourth proportional to 276,585,000.90, 414,877,501.35 and 138,835,493.70 is: 208,253,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,585,000.90 : 414,877,501.35 = 138,835,493.70 : x
  2. Step 2: Convert to fraction form
    276,585,000.90/414,877,501.35 = 138,835,493.70/x
  3. Step 3: Cross multiply
    276,585,000.90x = 414,877,501.35 × 138,835,493.70
  4. Step 4: Simplify right side
    276,585,000.90x = 57,599,722,724,949,664
  5. Step 5: Solve for x
    x = 57,599,722,724,949,664/276,585,000.90
  6. Step 6: Final answer
    x = 208,253,240.55

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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.