Home / 147,632,422.30-221,448,633.45-140,242,111.90

Finding the Fourth Proportional to 147,632,422.30, 221,448,633.45 and 140,242,111.90

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Solution

The fourth proportional to 147,632,422.30, 221,448,633.45 and 140,242,111.90 is: 210,363,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,632,422.30 : 221,448,633.45 = 140,242,111.90 : x
  2. Step 2: Convert to fraction form
    147,632,422.30/221,448,633.45 = 140,242,111.90/x
  3. Step 3: Cross multiply
    147,632,422.30x = 221,448,633.45 × 140,242,111.90
  4. Step 4: Simplify right side
    147,632,422.30x = 31,056,424,032,396,984
  5. Step 5: Solve for x
    x = 31,056,424,032,396,984/147,632,422.30
  6. Step 6: Final answer
    x = 210,363,167.85

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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.