Home / 123,323,537.42-170,179,975.47-70,398,142.21

Finding the Fourth Proportional to 123,323,537.42, 170,179,975.47 and 70,398,142.21

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Solution

The fourth proportional to 123,323,537.42, 170,179,975.47 and 70,398,142.21 is: 97,145,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,323,537.42 : 170,179,975.47 = 70,398,142.21 : x
  2. Step 2: Convert to fraction form
    123,323,537.42/170,179,975.47 = 70,398,142.21/x
  3. Step 3: Cross multiply
    123,323,537.42x = 170,179,975.47 × 70,398,142.21
  4. Step 4: Simplify right side
    123,323,537.42x = 11,980,354,114,005,920
  5. Step 5: Solve for x
    x = 11,980,354,114,005,920/123,323,537.42
  6. Step 6: Final answer
    x = 97,145,722.26

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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.