Home / 123,210,772.80-184,592,210.40-100,367,995.20

Finding the Fourth Proportional to 123,210,772.80, 184,592,210.40 and 100,367,995.20

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Solution

The fourth proportional to 123,210,772.80, 184,592,210.40 and 100,367,995.20 is: 150,369,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,210,772.80 : 184,592,210.40 = 100,367,995.20 : x
  2. Step 2: Convert to fraction form
    123,210,772.80/184,592,210.40 = 100,367,995.20/x
  3. Step 3: Cross multiply
    123,210,772.80x = 184,592,210.40 × 100,367,995.20
  4. Step 4: Simplify right side
    123,210,772.80x = 18,527,150,087,384,592
  5. Step 5: Solve for x
    x = 18,527,150,087,384,592/123,210,772.80
  6. Step 6: Final answer
    x = 150,369,563.20

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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.