Home / 109,045,947.30-163,568,920.95-104,741,275.20

Finding the Fourth Proportional to 109,045,947.30, 163,568,920.95 and 104,741,275.20

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Solution

The fourth proportional to 109,045,947.30, 163,568,920.95 and 104,741,275.20 is: 157,111,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,045,947.30 : 163,568,920.95 = 104,741,275.20 : x
  2. Step 2: Convert to fraction form
    109,045,947.30/163,568,920.95 = 104,741,275.20/x
  3. Step 3: Cross multiply
    109,045,947.30x = 163,568,920.95 × 104,741,275.20
  4. Step 4: Simplify right side
    109,045,947.30x = 17,132,417,363,390,994
  5. Step 5: Solve for x
    x = 17,132,417,363,390,994/109,045,947.30
  6. Step 6: Final answer
    x = 157,111,912.80

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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.