Home / 207,231,925.36-286,005,134.46-117,945,579.36

Finding the Fourth Proportional to 207,231,925.36, 286,005,134.46 and 117,945,579.36

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Solution

The fourth proportional to 207,231,925.36, 286,005,134.46 and 117,945,579.36 is: 162,779,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,925.36 : 286,005,134.46 = 117,945,579.36 : x
  2. Step 2: Convert to fraction form
    207,231,925.36/286,005,134.46 = 117,945,579.36/x
  3. Step 3: Cross multiply
    207,231,925.36x = 286,005,134.46 × 117,945,579.36
  4. Step 4: Simplify right side
    207,231,925.36x = 33,733,041,285,001,608
  5. Step 5: Solve for x
    x = 33,733,041,285,001,608/207,231,925.36
  6. Step 6: Final answer
    x = 162,779,172.31

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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.