Home / 69,306,141.20-103,847,237.40-43,701,328.40

Finding the Fourth Proportional to 69,306,141.20, 103,847,237.40 and 43,701,328.40

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Solution

The fourth proportional to 69,306,141.20, 103,847,237.40 and 43,701,328.40 is: 65,481,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,306,141.20 : 103,847,237.40 = 43,701,328.40 : x
  2. Step 2: Convert to fraction form
    69,306,141.20/103,847,237.40 = 43,701,328.40/x
  3. Step 3: Cross multiply
    69,306,141.20x = 103,847,237.40 × 43,701,328.40
  4. Step 4: Simplify right side
    69,306,141.20x = 4,538,262,225,050,162
  5. Step 5: Solve for x
    x = 4,538,262,225,050,162/69,306,141.20
  6. Step 6: Final answer
    x = 65,481,386.59

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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.