Home / 103,615,979.64-143,002,590.84-58,972,806.65

Finding the Fourth Proportional to 103,615,979.64, 143,002,590.84 and 58,972,806.65

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Solution

The fourth proportional to 103,615,979.64, 143,002,590.84 and 58,972,806.65 is: 81,389,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615,979.64 : 143,002,590.84 = 58,972,806.65 : x
  2. Step 2: Convert to fraction form
    103,615,979.64/143,002,590.84 = 58,972,806.65/x
  3. Step 3: Cross multiply
    103,615,979.64x = 143,002,590.84 × 58,972,806.65
  4. Step 4: Simplify right side
    103,615,979.64x = 8,433,264,139,341,369
  5. Step 5: Solve for x
    x = 8,433,264,139,341,369/103,615,979.64
  6. Step 6: Final answer
    x = 81,389,609.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.