Home / 156,830,820.20-235,246,230.30-99,576,909.80

Finding the Fourth Proportional to 156,830,820.20, 235,246,230.30 and 99,576,909.80

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Solution

The fourth proportional to 156,830,820.20, 235,246,230.30 and 99,576,909.80 is: 149,365,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,830,820.20 : 235,246,230.30 = 99,576,909.80 : x
  2. Step 2: Convert to fraction form
    156,830,820.20/235,246,230.30 = 99,576,909.80/x
  3. Step 3: Cross multiply
    156,830,820.20x = 235,246,230.30 × 99,576,909.80
  4. Step 4: Simplify right side
    156,830,820.20x = 23,425,092,655,373,128
  5. Step 5: Solve for x
    x = 23,425,092,655,373,128/156,830,820.20
  6. Step 6: Final answer
    x = 149,365,364.70

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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.