Home / 125,208,001.20-187,812,001.80-88,928,295.60

Finding the Fourth Proportional to 125,208,001.20, 187,812,001.80 and 88,928,295.60

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Solution

The fourth proportional to 125,208,001.20, 187,812,001.80 and 88,928,295.60 is: 133,392,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,208,001.20 : 187,812,001.80 = 88,928,295.60 : x
  2. Step 2: Convert to fraction form
    125,208,001.20/187,812,001.80 = 88,928,295.60/x
  3. Step 3: Cross multiply
    125,208,001.20x = 187,812,001.80 × 88,928,295.60
  4. Step 4: Simplify right side
    125,208,001.20x = 16,701,801,213,298,132
  5. Step 5: Solve for x
    x = 16,701,801,213,298,132/125,208,001.20
  6. Step 6: Final answer
    x = 133,392,443.40

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1.5x scale

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.