Home / 141,853,430.40-212,780,145.60-50,986,204.80

Finding the Fourth Proportional to 141,853,430.40, 212,780,145.60 and 50,986,204.80

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Solution

The fourth proportional to 141,853,430.40, 212,780,145.60 and 50,986,204.80 is: 76,479,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,853,430.40 : 212,780,145.60 = 50,986,204.80 : x
  2. Step 2: Convert to fraction form
    141,853,430.40/212,780,145.60 = 50,986,204.80/x
  3. Step 3: Cross multiply
    141,853,430.40x = 212,780,145.60 × 50,986,204.80
  4. Step 4: Simplify right side
    141,853,430.40x = 10,848,852,080,935,418
  5. Step 5: Solve for x
    x = 10,848,852,080,935,418/141,853,430.40
  6. Step 6: Final answer
    x = 76,479,307.20

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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.