Home / 83,667,015.51-115,424,666.07-52,250,522.76

Finding the Fourth Proportional to 83,667,015.51, 115,424,666.07 and 52,250,522.76

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Solution

The fourth proportional to 83,667,015.51, 115,424,666.07 and 52,250,522.76 is: 72,083,354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,667,015.51 : 115,424,666.07 = 52,250,522.76 : x
  2. Step 2: Convert to fraction form
    83,667,015.51/115,424,666.07 = 52,250,522.76/x
  3. Step 3: Cross multiply
    83,667,015.51x = 115,424,666.07 × 52,250,522.76
  4. Step 4: Simplify right side
    83,667,015.51x = 6,030,999,141,555,934
  5. Step 5: Solve for x
    x = 6,030,999,141,555,934/83,667,015.51
  6. Step 6: Final answer
    x = 72,083,354.53

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1.5x scale

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.