Home / 141,291,314.45-194,982,175.59-78,566,065.67

Finding the Fourth Proportional to 141,291,314.45, 194,982,175.59 and 78,566,065.67

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Solution

The fourth proportional to 141,291,314.45, 194,982,175.59 and 78,566,065.67 is: 108,421,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,291,314.45 : 194,982,175.59 = 78,566,065.67 : x
  2. Step 2: Convert to fraction form
    141,291,314.45/194,982,175.59 = 78,566,065.67/x
  3. Step 3: Cross multiply
    141,291,314.45x = 194,982,175.59 × 78,566,065.67
  4. Step 4: Simplify right side
    141,291,314.45x = 15,318,982,412,500,408
  5. Step 5: Solve for x
    x = 15,318,982,412,500,408/141,291,314.45
  6. Step 6: Final answer
    x = 108,421,260.51

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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.