Home / 331,911,000.60-497,866,500.90-140,409,893.40

Finding the Fourth Proportional to 331,911,000.60, 497,866,500.90 and 140,409,893.40

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Solution

The fourth proportional to 331,911,000.60, 497,866,500.90 and 140,409,893.40 is: 210,614,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,911,000.60 : 497,866,500.90 = 140,409,893.40 : x
  2. Step 2: Convert to fraction form
    331,911,000.60/497,866,500.90 = 140,409,893.40/x
  3. Step 3: Cross multiply
    331,911,000.60x = 497,866,500.90 × 140,409,893.40
  4. Step 4: Simplify right side
    331,911,000.60x = 69,905,382,318,800,000
  5. Step 5: Solve for x
    x = 69,905,382,318,800,000/331,911,000.60
  6. Step 6: Final answer
    x = 210,614,840.10

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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.