Home / 207,231,940.50-286,005,155.81-117,945,594.51

Finding the Fourth Proportional to 207,231,940.50, 286,005,155.81 and 117,945,594.51

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Solution

The fourth proportional to 207,231,940.50, 286,005,155.81 and 117,945,594.51 is: 162,779,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,940.50 : 286,005,155.81 = 117,945,594.51 : x
  2. Step 2: Convert to fraction form
    207,231,940.50/286,005,155.81 = 117,945,594.51/x
  3. Step 3: Cross multiply
    207,231,940.50x = 286,005,155.81 × 117,945,594.51
  4. Step 4: Simplify right side
    207,231,940.50x = 33,733,048,134,345,904
  5. Step 5: Solve for x
    x = 33,733,048,134,345,904/207,231,940.50
  6. Step 6: Final answer
    x = 162,779,193.46

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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.