Home / 125,473,276.80-188,209,915.20-99,645,244.20

Finding the Fourth Proportional to 125,473,276.80, 188,209,915.20 and 99,645,244.20

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Solution

The fourth proportional to 125,473,276.80, 188,209,915.20 and 99,645,244.20 is: 149,467,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,473,276.80 : 188,209,915.20 = 99,645,244.20 : x
  2. Step 2: Convert to fraction form
    125,473,276.80/188,209,915.20 = 99,645,244.20/x
  3. Step 3: Cross multiply
    125,473,276.80x = 188,209,915.20 × 99,645,244.20
  4. Step 4: Simplify right side
    125,473,276.80x = 18,754,222,960,965,292
  5. Step 5: Solve for x
    x = 18,754,222,960,965,292/125,473,276.80
  6. Step 6: Final answer
    x = 149,467,866.30

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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.