Home / 209,564,902,214.40-314,347,353,321.60-115,201,387,948.80

Finding the Fourth Proportional to 209,564,902,214.40, 314,347,353,321.60 and 115,201,387,948.80

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Solution

The fourth proportional to 209,564,902,214.40, 314,347,353,321.60 and 115,201,387,948.80 is: 172,802,081,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,564,902,214.40 : 314,347,353,321.60 = 115,201,387,948.80 : x
  2. Step 2: Convert to fraction form
    209,564,902,214.40/314,347,353,321.60 = 115,201,387,948.80/x
  3. Step 3: Cross multiply
    209,564,902,214.40x = 314,347,353,321.60 × 115,201,387,948.80
  4. Step 4: Simplify right side
    209,564,902,214.40x = 36,213,251,400,680,144,371,712
  5. Step 5: Solve for x
    x = 36,213,251,400,680,144,371,712/209,564,902,214.40
  6. Step 6: Final answer
    x = 172,802,081,923.20

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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.