Home / 108,302,740.40-162,438,130.91-31,605,175.28

Finding the Fourth Proportional to 108,302,740.40, 162,438,130.91 and 31,605,175.28

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Solution

The fourth proportional to 108,302,740.40, 162,438,130.91 and 31,605,175.28 is: 47,403,099.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,302,740.40 : 162,438,130.91 = 31,605,175.28 : x
  2. Step 2: Convert to fraction form
    108,302,740.40/162,438,130.91 = 31,605,175.28/x
  3. Step 3: Cross multiply
    108,302,740.40x = 162,438,130.91 × 31,605,175.28
  4. Step 4: Simplify right side
    108,302,740.40x = 5,133,885,598,595,919
  5. Step 5: Solve for x
    x = 5,133,885,598,595,919/108,302,740.40
  6. Step 6: Final answer
    x = 47,403,099.68

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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.