Home / 345,517,259.60-517,877,758.20-140,911,000.40

Finding the Fourth Proportional to 345,517,259.60, 517,877,758.20 and 140,911,000.40

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Solution

The fourth proportional to 345,517,259.60, 517,877,758.20 and 140,911,000.40 is: 211,204,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,517,259.60 : 517,877,758.20 = 140,911,000.40 : x
  2. Step 2: Convert to fraction form
    345,517,259.60/517,877,758.20 = 140,911,000.40/x
  3. Step 3: Cross multiply
    345,517,259.60x = 517,877,758.20 × 140,911,000.40
  4. Step 4: Simplify right side
    345,517,259.60x = 72,974,672,992,871,312
  5. Step 5: Solve for x
    x = 72,974,672,992,871,312/345,517,259.60
  6. Step 6: Final answer
    x = 211,204,132.25

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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.