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Finding the Fourth Proportional to 361,163,681.80, 541,745,522.70 and 88,534,448.80

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Solution

The fourth proportional to 361,163,681.80, 541,745,522.70 and 88,534,448.80 is: 132,801,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,163,681.80 : 541,745,522.70 = 88,534,448.80 : x
  2. Step 2: Convert to fraction form
    361,163,681.80/541,745,522.70 = 88,534,448.80/x
  3. Step 3: Cross multiply
    361,163,681.80x = 541,745,522.70 × 88,534,448.80
  4. Step 4: Simplify right side
    361,163,681.80x = 47,963,141,242,112,392
  5. Step 5: Solve for x
    x = 47,963,141,242,112,392/361,163,681.80
  6. Step 6: Final answer
    x = 132,801,673.20

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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.