Home / 102,391,360.58-141,301,417.89-55,981,667.86

Finding the Fourth Proportional to 102,391,360.58, 141,301,417.89 and 55,981,667.86

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Solution

The fourth proportional to 102,391,360.58, 141,301,417.89 and 55,981,667.86 is: 77,255,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,391,360.58 : 141,301,417.89 = 55,981,667.86 : x
  2. Step 2: Convert to fraction form
    102,391,360.58/141,301,417.89 = 55,981,667.86/x
  3. Step 3: Cross multiply
    102,391,360.58x = 141,301,417.89 × 55,981,667.86
  4. Step 4: Simplify right side
    102,391,360.58x = 7,910,289,044,465,041
  5. Step 5: Solve for x
    x = 7,910,289,044,465,041/102,391,360.58
  6. Step 6: Final answer
    x = 77,255,434.44

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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.