Home / 68,097,000.70-102,145,501.05-61,826,434.30

Finding the Fourth Proportional to 68,097,000.70, 102,145,501.05 and 61,826,434.30

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Solution

The fourth proportional to 68,097,000.70, 102,145,501.05 and 61,826,434.30 is: 92,739,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,097,000.70 : 102,145,501.05 = 61,826,434.30 : x
  2. Step 2: Convert to fraction form
    68,097,000.70/102,145,501.05 = 61,826,434.30/x
  3. Step 3: Cross multiply
    68,097,000.70x = 102,145,501.05 × 61,826,434.30
  4. Step 4: Simplify right side
    68,097,000.70x = 6,315,292,109,708,406
  5. Step 5: Solve for x
    x = 6,315,292,109,708,406/68,097,000.70
  6. Step 6: Final answer
    x = 92,739,651.45

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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.