Home / 159,326,493.40-238,989,740.10-157,059,011.80

Finding the Fourth Proportional to 159,326,493.40, 238,989,740.10 and 157,059,011.80

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Solution

The fourth proportional to 159,326,493.40, 238,989,740.10 and 157,059,011.80 is: 235,588,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,326,493.40 : 238,989,740.10 = 157,059,011.80 : x
  2. Step 2: Convert to fraction form
    159,326,493.40/238,989,740.10 = 157,059,011.80/x
  3. Step 3: Cross multiply
    159,326,493.40x = 238,989,740.10 × 157,059,011.80
  4. Step 4: Simplify right side
    159,326,493.40x = 37,535,492,410,444,832
  5. Step 5: Solve for x
    x = 37,535,492,410,444,832/159,326,493.40
  6. Step 6: Final answer
    x = 235,588,517.70

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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.