Home / 276,584,871.90-414,877,307.85-138,835,364.70

Finding the Fourth Proportional to 276,584,871.90, 414,877,307.85 and 138,835,364.70

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Solution

The fourth proportional to 276,584,871.90, 414,877,307.85 and 138,835,364.70 is: 208,253,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,584,871.90 : 414,877,307.85 = 138,835,364.70 : x
  2. Step 2: Convert to fraction form
    276,584,871.90/414,877,307.85 = 138,835,364.70/x
  3. Step 3: Cross multiply
    276,584,871.90x = 414,877,307.85 × 138,835,364.70
  4. Step 4: Simplify right side
    276,584,871.90x = 57,599,642,341,108,920
  5. Step 5: Solve for x
    x = 57,599,642,341,108,920/276,584,871.90
  6. Step 6: Final answer
    x = 208,253,047.05

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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.