Home / 131,128,109.30-196,692,163.95-63,103,661.30

Finding the Fourth Proportional to 131,128,109.30, 196,692,163.95 and 63,103,661.30

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Solution

The fourth proportional to 131,128,109.30, 196,692,163.95 and 63,103,661.30 is: 94,655,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,128,109.30 : 196,692,163.95 = 63,103,661.30 : x
  2. Step 2: Convert to fraction form
    131,128,109.30/196,692,163.95 = 63,103,661.30/x
  3. Step 3: Cross multiply
    131,128,109.30x = 196,692,163.95 × 63,103,661.30
  4. Step 4: Simplify right side
    131,128,109.30x = 12,411,995,694,264,868
  5. Step 5: Solve for x
    x = 12,411,995,694,264,868/131,128,109.30
  6. Step 6: Final answer
    x = 94,655,491.95

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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.