Home / 86,339,649.76-119,160,869.88-54,967,678

Finding the Fourth Proportional to 86,339,649.76, 119,160,869.88 and 54,967,678

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Solution

The fourth proportional to 86,339,649.76, 119,160,869.88 and 54,967,678 is: 75,863,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339,649.76 : 119,160,869.88 = 54,967,678 : x
  2. Step 2: Convert to fraction form
    86,339,649.76/119,160,869.88 = 54,967,678/x
  3. Step 3: Cross multiply
    86,339,649.76x = 119,160,869.88 × 54,967,678
  4. Step 4: Simplify right side
    86,339,649.76x = 6,549,996,325,763,738
  5. Step 5: Solve for x
    x = 6,549,996,325,763,738/86,339,649.76
  6. Step 6: Final answer
    x = 75,863,132.92

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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.