Home / 68,364,890.40-102,547,335.60-65,976,103.20

Finding the Fourth Proportional to 68,364,890.40, 102,547,335.60 and 65,976,103.20

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Solution

The fourth proportional to 68,364,890.40, 102,547,335.60 and 65,976,103.20 is: 98,964,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,364,890.40 : 102,547,335.60 = 65,976,103.20 : x
  2. Step 2: Convert to fraction form
    68,364,890.40/102,547,335.60 = 65,976,103.20/x
  3. Step 3: Cross multiply
    68,364,890.40x = 102,547,335.60 × 65,976,103.20
  4. Step 4: Simplify right side
    68,364,890.40x = 6,765,673,596,430,634
  5. Step 5: Solve for x
    x = 6,765,673,596,430,634/68,364,890.40
  6. Step 6: Final answer
    x = 98,964,154.80

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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.