Home / 318,500,879.13-477,778,433.70-97,221,921.24

Finding the Fourth Proportional to 318,500,879.13, 477,778,433.70 and 97,221,921.24

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Solution

The fourth proportional to 318,500,879.13, 477,778,433.70 and 97,221,921.24 is: 145,841,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,500,879.13 : 477,778,433.70 = 97,221,921.24 : x
  2. Step 2: Convert to fraction form
    318,500,879.13/477,778,433.70 = 97,221,921.24/x
  3. Step 3: Cross multiply
    318,500,879.13x = 477,778,433.70 × 97,221,921.24
  4. Step 4: Simplify right side
    318,500,879.13x = 46,450,537,253,508,216
  5. Step 5: Solve for x
    x = 46,450,537,253,508,216/318,500,879.13
  6. Step 6: Final answer
    x = 145,841,158.68

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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.