Home / 180,838,989.21-270,917,139.55-106,841,973

Finding the Fourth Proportional to 180,838,989.21, 270,917,139.55 and 106,841,973

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Solution

The fourth proportional to 180,838,989.21, 270,917,139.55 and 106,841,973 is: 160,061,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,838,989.21 : 270,917,139.55 = 106,841,973 : x
  2. Step 2: Convert to fraction form
    180,838,989.21/270,917,139.55 = 106,841,973/x
  3. Step 3: Cross multiply
    180,838,989.21x = 270,917,139.55 × 106,841,973
  4. Step 4: Simplify right side
    180,838,989.21x = 28,945,321,709,038,332
  5. Step 5: Solve for x
    x = 28,945,321,709,038,332/180,838,989.21
  6. Step 6: Final answer
    x = 160,061,288.97

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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.