Home / 109,213,687.20-163,607,954.40-65,954,389.80

Finding the Fourth Proportional to 109,213,687.20, 163,607,954.40 and 65,954,389.80

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Solution

The fourth proportional to 109,213,687.20, 163,607,954.40 and 65,954,389.80 is: 98,803,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,213,687.20 : 163,607,954.40 = 65,954,389.80 : x
  2. Step 2: Convert to fraction form
    109,213,687.20/163,607,954.40 = 65,954,389.80/x
  3. Step 3: Cross multiply
    109,213,687.20x = 163,607,954.40 × 65,954,389.80
  4. Step 4: Simplify right side
    109,213,687.20x = 10,790,662,798,878,226
  5. Step 5: Solve for x
    x = 10,790,662,798,878,226/109,213,687.20
  6. Step 6: Final answer
    x = 98,803,209.34

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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.