Home / 161,858,428.60-242,787,642.90-52,693,886.20

Finding the Fourth Proportional to 161,858,428.60, 242,787,642.90 and 52,693,886.20

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Solution

The fourth proportional to 161,858,428.60, 242,787,642.90 and 52,693,886.20 is: 79,040,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,858,428.60 : 242,787,642.90 = 52,693,886.20 : x
  2. Step 2: Convert to fraction form
    161,858,428.60/242,787,642.90 = 52,693,886.20/x
  3. Step 3: Cross multiply
    161,858,428.60x = 242,787,642.90 × 52,693,886.20
  4. Step 4: Simplify right side
    161,858,428.60x = 12,793,424,425,738,840
  5. Step 5: Solve for x
    x = 12,793,424,425,738,840/161,858,428.60
  6. Step 6: Final answer
    x = 79,040,829.30

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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.