Home / 61,066,812.70-91,600,219.05-20,677,296.70

Finding the Fourth Proportional to 61,066,812.70, 91,600,219.05 and 20,677,296.70

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Solution

The fourth proportional to 61,066,812.70, 91,600,219.05 and 20,677,296.70 is: 31,015,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,066,812.70 : 91,600,219.05 = 20,677,296.70 : x
  2. Step 2: Convert to fraction form
    61,066,812.70/91,600,219.05 = 20,677,296.70/x
  3. Step 3: Cross multiply
    61,066,812.70x = 91,600,219.05 × 20,677,296.70
  4. Step 4: Simplify right side
    61,066,812.70x = 1,894,044,907,081,842
  5. Step 5: Solve for x
    x = 1,894,044,907,081,842/61,066,812.70
  6. Step 6: Final answer
    x = 31,015,945.05

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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.