Home / 272,973,827-409,460,740.50-91,221,005

Finding the Fourth Proportional to 272,973,827, 409,460,740.50 and 91,221,005

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Solution

The fourth proportional to 272,973,827, 409,460,740.50 and 91,221,005 is: 136,831,507.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,973,827 : 409,460,740.50 = 91,221,005 : x
  2. Step 2: Convert to fraction form
    272,973,827/409,460,740.50 = 91,221,005/x
  3. Step 3: Cross multiply
    272,973,827x = 409,460,740.50 × 91,221,005
  4. Step 4: Simplify right side
    272,973,827x = 37,351,420,256,454,200
  5. Step 5: Solve for x
    x = 37,351,420,256,454,200/272,973,827
  6. Step 6: Final answer
    x = 136,831,507.50

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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.