Home / 109,046,874.60-163,371,246.30-66,446,836.20

Finding the Fourth Proportional to 109,046,874.60, 163,371,246.30 and 66,446,836.20

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Solution

The fourth proportional to 109,046,874.60, 163,371,246.30 and 66,446,836.20 is: 99,548,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,046,874.60 : 163,371,246.30 = 66,446,836.20 : x
  2. Step 2: Convert to fraction form
    109,046,874.60/163,371,246.30 = 66,446,836.20/x
  3. Step 3: Cross multiply
    109,046,874.60x = 163,371,246.30 × 66,446,836.20
  4. Step 4: Simplify right side
    109,046,874.60x = 10,855,502,442,685,958
  5. Step 5: Solve for x
    x = 10,855,502,442,685,958/109,046,874.60
  6. Step 6: Final answer
    x = 99,548,955.28

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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.