Home / 136,937,663.33-188,993,354.18-84,743,513.51

Finding the Fourth Proportional to 136,937,663.33, 188,993,354.18 and 84,743,513.51

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Solution

The fourth proportional to 136,937,663.33, 188,993,354.18 and 84,743,513.51 is: 116,958,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,937,663.33 : 188,993,354.18 = 84,743,513.51 : x
  2. Step 2: Convert to fraction form
    136,937,663.33/188,993,354.18 = 84,743,513.51/x
  3. Step 3: Cross multiply
    136,937,663.33x = 188,993,354.18 × 84,743,513.51
  4. Step 4: Simplify right side
    136,937,663.33x = 16,015,960,861,884,360
  5. Step 5: Solve for x
    x = 16,015,960,861,884,360/136,937,663.33
  6. Step 6: Final answer
    x = 116,958,041.15

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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.