Home / 109,017,660.80-163,526,491.20-89,534,115.20

Finding the Fourth Proportional to 109,017,660.80, 163,526,491.20 and 89,534,115.20

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Solution

The fourth proportional to 109,017,660.80, 163,526,491.20 and 89,534,115.20 is: 134,301,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,017,660.80 : 163,526,491.20 = 89,534,115.20 : x
  2. Step 2: Convert to fraction form
    109,017,660.80/163,526,491.20 = 89,534,115.20/x
  3. Step 3: Cross multiply
    109,017,660.80x = 163,526,491.20 × 89,534,115.20
  4. Step 4: Simplify right side
    109,017,660.80x = 14,641,199,701,352,586
  5. Step 5: Solve for x
    x = 14,641,199,701,352,586/109,017,660.80
  6. Step 6: Final answer
    x = 134,301,172.80

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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.