Home / 123,777,247.75-185,672,038.69-47,106,218.23

Finding the Fourth Proportional to 123,777,247.75, 185,672,038.69 and 47,106,218.23

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Solution

The fourth proportional to 123,777,247.75, 185,672,038.69 and 47,106,218.23 is: 70,661,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,777,247.75 : 185,672,038.69 = 47,106,218.23 : x
  2. Step 2: Convert to fraction form
    123,777,247.75/185,672,038.69 = 47,106,218.23/x
  3. Step 3: Cross multiply
    123,777,247.75x = 185,672,038.69 × 47,106,218.23
  4. Step 4: Simplify right side
    123,777,247.75x = 8,746,307,573,740,143
  5. Step 5: Solve for x
    x = 8,746,307,573,740,143/123,777,247.75
  6. Step 6: Final answer
    x = 70,661,674.36

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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.