Home / 207,832,305.32-286,809,139.14-115,019,213.48

Finding the Fourth Proportional to 207,832,305.32, 286,809,139.14 and 115,019,213.48

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Solution

The fourth proportional to 207,832,305.32, 286,809,139.14 and 115,019,213.48 is: 158,726,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,832,305.32 : 286,809,139.14 = 115,019,213.48 : x
  2. Step 2: Convert to fraction form
    207,832,305.32/286,809,139.14 = 115,019,213.48/x
  3. Step 3: Cross multiply
    207,832,305.32x = 286,809,139.14 × 115,019,213.48
  4. Step 4: Simplify right side
    207,832,305.32x = 32,988,561,602,758,684
  5. Step 5: Solve for x
    x = 32,988,561,602,758,684/207,832,305.32
  6. Step 6: Final answer
    x = 158,726,823.30

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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.