Home / 207,967,436.56-286,904,709.48-125,415,346.96

Finding the Fourth Proportional to 207,967,436.56, 286,904,709.48 and 125,415,346.96

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Solution

The fourth proportional to 207,967,436.56, 286,904,709.48 and 125,415,346.96 is: 173,018,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,967,436.56 : 286,904,709.48 = 125,415,346.96 : x
  2. Step 2: Convert to fraction form
    207,967,436.56/286,904,709.48 = 125,415,346.96/x
  3. Step 3: Cross multiply
    207,967,436.56x = 286,904,709.48 × 125,415,346.96
  4. Step 4: Simplify right side
    207,967,436.56x = 35,982,253,683,892,200
  5. Step 5: Solve for x
    x = 35,982,253,683,892,200/207,967,436.56
  6. Step 6: Final answer
    x = 173,018,691.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.