Home / 123,869,526.56-170,950,839.84-68,124,769.16

Finding the Fourth Proportional to 123,869,526.56, 170,950,839.84 and 68,124,769.16

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Solution

The fourth proportional to 123,869,526.56, 170,950,839.84 and 68,124,769.16 is: 94,018,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,869,526.56 : 170,950,839.84 = 68,124,769.16 : x
  2. Step 2: Convert to fraction form
    123,869,526.56/170,950,839.84 = 68,124,769.16/x
  3. Step 3: Cross multiply
    123,869,526.56x = 170,950,839.84 × 68,124,769.16
  4. Step 4: Simplify right side
    123,869,526.56x = 11,645,986,500,953,378
  5. Step 5: Solve for x
    x = 11,645,986,500,953,378/123,869,526.56
  6. Step 6: Final answer
    x = 94,018,172.39

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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.