Home / 107,313,964.20-160,970,946.30-100,139,510.70

Finding the Fourth Proportional to 107,313,964.20, 160,970,946.30 and 100,139,510.70

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Solution

The fourth proportional to 107,313,964.20, 160,970,946.30 and 100,139,510.70 is: 150,209,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,313,964.20 : 160,970,946.30 = 100,139,510.70 : x
  2. Step 2: Convert to fraction form
    107,313,964.20/160,970,946.30 = 100,139,510.70/x
  3. Step 3: Cross multiply
    107,313,964.20x = 160,970,946.30 × 100,139,510.70
  4. Step 4: Simplify right side
    107,313,964.20x = 16,119,551,799,397,978
  5. Step 5: Solve for x
    x = 16,119,551,799,397,978/107,313,964.20
  6. Step 6: Final answer
    x = 150,209,266.05

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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.