Home / 104,481,643.40-156,722,465.10-27,812,421.80

Finding the Fourth Proportional to 104,481,643.40, 156,722,465.10 and 27,812,421.80

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Solution

The fourth proportional to 104,481,643.40, 156,722,465.10 and 27,812,421.80 is: 41,718,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,481,643.40 : 156,722,465.10 = 27,812,421.80 : x
  2. Step 2: Convert to fraction form
    104,481,643.40/156,722,465.10 = 27,812,421.80/x
  3. Step 3: Cross multiply
    104,481,643.40x = 156,722,465.10 × 27,812,421.80
  4. Step 4: Simplify right side
    104,481,643.40x = 4,358,831,304,896,979
  5. Step 5: Solve for x
    x = 4,358,831,304,896,979/104,481,643.40
  6. Step 6: Final answer
    x = 41,718,632.70

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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.