Home / 106,996,900.70-160,495,351.05-68,733,148.70

Finding the Fourth Proportional to 106,996,900.70, 160,495,351.05 and 68,733,148.70

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Solution

The fourth proportional to 106,996,900.70, 160,495,351.05 and 68,733,148.70 is: 103,099,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,996,900.70 : 160,495,351.05 = 68,733,148.70 : x
  2. Step 2: Convert to fraction form
    106,996,900.70/160,495,351.05 = 68,733,148.70/x
  3. Step 3: Cross multiply
    106,996,900.70x = 160,495,351.05 × 68,733,148.70
  4. Step 4: Simplify right side
    106,996,900.70x = 11,031,350,829,378,352
  5. Step 5: Solve for x
    x = 11,031,350,829,378,352/106,996,900.70
  6. Step 6: Final answer
    x = 103,099,723.05

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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.