Home / 69,213,530.40-103,820,295.60-57,960,103.20

Finding the Fourth Proportional to 69,213,530.40, 103,820,295.60 and 57,960,103.20

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Solution

The fourth proportional to 69,213,530.40, 103,820,295.60 and 57,960,103.20 is: 86,940,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,213,530.40 : 103,820,295.60 = 57,960,103.20 : x
  2. Step 2: Convert to fraction form
    69,213,530.40/103,820,295.60 = 57,960,103.20/x
  3. Step 3: Cross multiply
    69,213,530.40x = 103,820,295.60 × 57,960,103.20
  4. Step 4: Simplify right side
    69,213,530.40x = 6,017,435,047,230,506
  5. Step 5: Solve for x
    x = 6,017,435,047,230,506/69,213,530.40
  6. Step 6: Final answer
    x = 86,940,154.80

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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.