Home / 199,600,746.60-299,330,261.10-138,189,786.60

Finding the Fourth Proportional to 199,600,746.60, 299,330,261.10 and 138,189,786.60

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Solution

The fourth proportional to 199,600,746.60, 299,330,261.10 and 138,189,786.60 is: 207,235,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,600,746.60 : 299,330,261.10 = 138,189,786.60 : x
  2. Step 2: Convert to fraction form
    199,600,746.60/299,330,261.10 = 138,189,786.60/x
  3. Step 3: Cross multiply
    199,600,746.60x = 299,330,261.10 × 138,189,786.60
  4. Step 4: Simplify right side
    199,600,746.60x = 41,364,384,904,331,280
  5. Step 5: Solve for x
    x = 41,364,384,904,331,280/199,600,746.60
  6. Step 6: Final answer
    x = 207,235,622.16

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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.