Home / 66,109,363.20-99,164,044.80-45,953,971.20

Finding the Fourth Proportional to 66,109,363.20, 99,164,044.80 and 45,953,971.20

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Solution

The fourth proportional to 66,109,363.20, 99,164,044.80 and 45,953,971.20 is: 68,930,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,109,363.20 : 99,164,044.80 = 45,953,971.20 : x
  2. Step 2: Convert to fraction form
    66,109,363.20/99,164,044.80 = 45,953,971.20/x
  3. Step 3: Cross multiply
    66,109,363.20x = 99,164,044.80 × 45,953,971.20
  4. Step 4: Simplify right side
    66,109,363.20x = 4,556,981,658,814,710
  5. Step 5: Solve for x
    x = 4,556,981,658,814,710/66,109,363.20
  6. Step 6: Final answer
    x = 68,930,956.80

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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.