Home / 123,869,519.80-170,950,830.53-68,124,762.41

Finding the Fourth Proportional to 123,869,519.80, 170,950,830.53 and 68,124,762.41

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Solution

The fourth proportional to 123,869,519.80, 170,950,830.53 and 68,124,762.41 is: 94,018,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,869,519.80 : 170,950,830.53 = 68,124,762.41 : x
  2. Step 2: Convert to fraction form
    123,869,519.80/170,950,830.53 = 68,124,762.41/x
  3. Step 3: Cross multiply
    123,869,519.80x = 170,950,830.53 × 68,124,762.41
  4. Step 4: Simplify right side
    123,869,519.80x = 11,645,984,712,453,048
  5. Step 5: Solve for x
    x = 11,645,984,712,453,048/123,869,519.80
  6. Step 6: Final answer
    x = 94,018,163.08

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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.