Home / 156,701,158.40-235,051,737.60-131,618,892.80

Finding the Fourth Proportional to 156,701,158.40, 235,051,737.60 and 131,618,892.80

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Solution

The fourth proportional to 156,701,158.40, 235,051,737.60 and 131,618,892.80 is: 197,428,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,701,158.40 : 235,051,737.60 = 131,618,892.80 : x
  2. Step 2: Convert to fraction form
    156,701,158.40/235,051,737.60 = 131,618,892.80/x
  3. Step 3: Cross multiply
    156,701,158.40x = 235,051,737.60 × 131,618,892.80
  4. Step 4: Simplify right side
    156,701,158.40x = 30,937,249,453,628,128
  5. Step 5: Solve for x
    x = 30,937,249,453,628,128/156,701,158.40
  6. Step 6: Final answer
    x = 197,428,339.20

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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.