Home / 207,900,894.40-286,903,239.78-115,081,402.24

Finding the Fourth Proportional to 207,900,894.40, 286,903,239.78 and 115,081,402.24

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Solution

The fourth proportional to 207,900,894.40, 286,903,239.78 and 115,081,402.24 is: 158,812,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,900,894.40 : 286,903,239.78 = 115,081,402.24 : x
  2. Step 2: Convert to fraction form
    207,900,894.40/286,903,239.78 = 115,081,402.24/x
  3. Step 3: Cross multiply
    207,900,894.40x = 286,903,239.78 × 115,081,402.24
  4. Step 4: Simplify right side
    207,900,894.40x = 33,017,227,141,081,344
  5. Step 5: Solve for x
    x = 33,017,227,141,081,344/207,900,894.40
  6. Step 6: Final answer
    x = 158,812,338.14

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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.