Home / 127,819,266.80-191,728,900.20-107,411,932.40

Finding the Fourth Proportional to 127,819,266.80, 191,728,900.20 and 107,411,932.40

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Solution

The fourth proportional to 127,819,266.80, 191,728,900.20 and 107,411,932.40 is: 161,117,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,819,266.80 : 191,728,900.20 = 107,411,932.40 : x
  2. Step 2: Convert to fraction form
    127,819,266.80/191,728,900.20 = 107,411,932.40/x
  3. Step 3: Cross multiply
    127,819,266.80x = 191,728,900.20 × 107,411,932.40
  4. Step 4: Simplify right side
    127,819,266.80x = 20,593,971,667,408,748
  5. Step 5: Solve for x
    x = 20,593,971,667,408,748/127,819,266.80
  6. Step 6: Final answer
    x = 161,117,898.60

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1.5x scale

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.