Home / 314,367,459.70-471,551,189.56-142,180,575.70

Finding the Fourth Proportional to 314,367,459.70, 471,551,189.56 and 142,180,575.70

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Solution

The fourth proportional to 314,367,459.70, 471,551,189.56 and 142,180,575.70 is: 213,270,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,367,459.70 : 471,551,189.56 = 142,180,575.70 : x
  2. Step 2: Convert to fraction form
    314,367,459.70/471,551,189.56 = 142,180,575.70/x
  3. Step 3: Cross multiply
    314,367,459.70x = 471,551,189.56 × 142,180,575.70
  4. Step 4: Simplify right side
    314,367,459.70x = 67,045,419,603,660,624
  5. Step 5: Solve for x
    x = 67,045,419,603,660,624/314,367,459.70
  6. Step 6: Final answer
    x = 213,270,863.55

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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.