Home / 163,520,523.30-245,280,784.95-127,240,817.70

Finding the Fourth Proportional to 163,520,523.30, 245,280,784.95 and 127,240,817.70

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Solution

The fourth proportional to 163,520,523.30, 245,280,784.95 and 127,240,817.70 is: 190,861,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,520,523.30 : 245,280,784.95 = 127,240,817.70 : x
  2. Step 2: Convert to fraction form
    163,520,523.30/245,280,784.95 = 127,240,817.70/x
  3. Step 3: Cross multiply
    163,520,523.30x = 245,280,784.95 × 127,240,817.70
  4. Step 4: Simplify right side
    163,520,523.30x = 31,209,727,643,135,852
  5. Step 5: Solve for x
    x = 31,209,727,643,135,852/163,520,523.30
  6. Step 6: Final answer
    x = 190,861,226.55

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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.