Home / 112,211,429.40-168,423,432.30-69,164,708.40

Finding the Fourth Proportional to 112,211,429.40, 168,423,432.30 and 69,164,708.40

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Solution

The fourth proportional to 112,211,429.40, 168,423,432.30 and 69,164,708.40 is: 103,812,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,429.40 : 168,423,432.30 = 69,164,708.40 : x
  2. Step 2: Convert to fraction form
    112,211,429.40/168,423,432.30 = 69,164,708.40/x
  3. Step 3: Cross multiply
    112,211,429.40x = 168,423,432.30 × 69,164,708.40
  4. Step 4: Simplify right side
    112,211,429.40x = 11,648,957,582,756,644
  5. Step 5: Solve for x
    x = 11,648,957,582,756,644/112,211,429.40
  6. Step 6: Final answer
    x = 103,812,576.36

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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.