Home / 207,796,712.36-286,759,799-114,981,132.20

Finding the Fourth Proportional to 207,796,712.36, 286,759,799 and 114,981,132.20

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Solution

The fourth proportional to 207,796,712.36, 286,759,799 and 114,981,132.20 is: 158,674,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,796,712.36 : 286,759,799 = 114,981,132.20 : x
  2. Step 2: Convert to fraction form
    207,796,712.36/286,759,799 = 114,981,132.20/x
  3. Step 3: Cross multiply
    207,796,712.36x = 286,759,799 × 114,981,132.20
  4. Step 4: Simplify right side
    207,796,712.36x = 32,971,966,358,464,428
  5. Step 5: Solve for x
    x = 32,971,966,358,464,428/207,796,712.36
  6. Step 6: Final answer
    x = 158,674,148.33

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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.