Home / 163,520,505.30-245,280,757.95-127,240,799.70

Finding the Fourth Proportional to 163,520,505.30, 245,280,757.95 and 127,240,799.70

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Solution

The fourth proportional to 163,520,505.30, 245,280,757.95 and 127,240,799.70 is: 190,861,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,520,505.30 : 245,280,757.95 = 127,240,799.70 : x
  2. Step 2: Convert to fraction form
    163,520,505.30/245,280,757.95 = 127,240,799.70/x
  3. Step 3: Cross multiply
    163,520,505.30x = 245,280,757.95 × 127,240,799.70
  4. Step 4: Simplify right side
    163,520,505.30x = 31,209,719,792,580,132
  5. Step 5: Solve for x
    x = 31,209,719,792,580,132/163,520,505.30
  6. Step 6: Final answer
    x = 190,861,199.55

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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.