Home / 209,632,257,937.60-314,448,386,906.40-68,141,406,097.60

Finding the Fourth Proportional to 209,632,257,937.60, 314,448,386,906.40 and 68,141,406,097.60

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Solution

The fourth proportional to 209,632,257,937.60, 314,448,386,906.40 and 68,141,406,097.60 is: 102,212,109,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,632,257,937.60 : 314,448,386,906.40 = 68,141,406,097.60 : x
  2. Step 2: Convert to fraction form
    209,632,257,937.60/314,448,386,906.40 = 68,141,406,097.60/x
  3. Step 3: Cross multiply
    209,632,257,937.60x = 314,448,386,906.40 × 68,141,406,097.60
  4. Step 4: Simplify right side
    209,632,257,937.60x = 21,426,955,228,924,251,996,160
  5. Step 5: Solve for x
    x = 21,426,955,228,924,251,996,160/209,632,257,937.60
  6. Step 6: Final answer
    x = 102,212,109,146.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.