Home / 217,239,282.94-326,003,814.63-79,064,851.56

Finding the Fourth Proportional to 217,239,282.94, 326,003,814.63 and 79,064,851.56

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Solution

The fourth proportional to 217,239,282.94, 326,003,814.63 and 79,064,851.56 is: 118,650,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,239,282.94 : 326,003,814.63 = 79,064,851.56 : x
  2. Step 2: Convert to fraction form
    217,239,282.94/326,003,814.63 = 79,064,851.56/x
  3. Step 3: Cross multiply
    217,239,282.94x = 326,003,814.63 × 79,064,851.56
  4. Step 4: Simplify right side
    217,239,282.94x = 25,775,443,209,689,364
  5. Step 5: Solve for x
    x = 25,775,443,209,689,364/217,239,282.94
  6. Step 6: Final answer
    x = 118,650,010.54

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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.