Home / 124,677,142.14-187,065,314.37-47,979,577.02

Finding the Fourth Proportional to 124,677,142.14, 187,065,314.37 and 47,979,577.02

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Solution

The fourth proportional to 124,677,142.14, 187,065,314.37 and 47,979,577.02 is: 71,988,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,677,142.14 : 187,065,314.37 = 47,979,577.02 : x
  2. Step 2: Convert to fraction form
    124,677,142.14/187,065,314.37 = 47,979,577.02/x
  3. Step 3: Cross multiply
    124,677,142.14x = 187,065,314.37 × 47,979,577.02
  4. Step 4: Simplify right side
    124,677,142.14x = 8,975,314,658,585,929
  5. Step 5: Solve for x
    x = 8,975,314,658,585,929/124,677,142.14
  6. Step 6: Final answer
    x = 71,988,453.57

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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.