Home / 272,973,831-409,460,746.52-91,221,009

Finding the Fourth Proportional to 272,973,831, 409,460,746.52 and 91,221,009

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Solution

The fourth proportional to 272,973,831, 409,460,746.52 and 91,221,009 is: 136,831,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,973,831 : 409,460,746.52 = 91,221,009 : x
  2. Step 2: Convert to fraction form
    272,973,831/409,460,746.52 = 91,221,009/x
  3. Step 3: Cross multiply
    272,973,831x = 409,460,746.52 × 91,221,009
  4. Step 4: Simplify right side
    272,973,831x = 37,351,422,443,447,640
  5. Step 5: Solve for x
    x = 37,351,422,443,447,640/272,973,831
  6. Step 6: Final answer
    x = 136,831,513.51

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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.