Home / 156,712,799.40-235,069,199.10-131,630,533.80

Finding the Fourth Proportional to 156,712,799.40, 235,069,199.10 and 131,630,533.80

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Solution

The fourth proportional to 156,712,799.40, 235,069,199.10 and 131,630,533.80 is: 197,445,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,712,799.40 : 235,069,199.10 = 131,630,533.80 : x
  2. Step 2: Convert to fraction form
    156,712,799.40/235,069,199.10 = 131,630,533.80/x
  3. Step 3: Cross multiply
    156,712,799.40x = 235,069,199.10 × 131,630,533.80
  4. Step 4: Simplify right side
    156,712,799.40x = 30,942,284,157,471,480
  5. Step 5: Solve for x
    x = 30,942,284,157,471,480/156,712,799.40
  6. Step 6: Final answer
    x = 197,445,800.70

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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.