Home / 102,708,666.30-141,739,672.14-55,667,242.20

Finding the Fourth Proportional to 102,708,666.30, 141,739,672.14 and 55,667,242.20

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Solution

The fourth proportional to 102,708,666.30, 141,739,672.14 and 55,667,242.20 is: 76,821,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,708,666.30 : 141,739,672.14 = 55,667,242.20 : x
  2. Step 2: Convert to fraction form
    102,708,666.30/141,739,672.14 = 55,667,242.20/x
  3. Step 3: Cross multiply
    102,708,666.30x = 141,739,672.14 × 55,667,242.20
  4. Step 4: Simplify right side
    102,708,666.30x = 7,890,256,658,365,972
  5. Step 5: Solve for x
    x = 7,890,256,658,365,972/102,708,666.30
  6. Step 6: Final answer
    x = 76,821,722.48

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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.