Home / 167,872,570.05-251,808,855.08-99,680,160.45

Finding the Fourth Proportional to 167,872,570.05, 251,808,855.08 and 99,680,160.45

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Solution

The fourth proportional to 167,872,570.05, 251,808,855.08 and 99,680,160.45 is: 149,520,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,872,570.05 : 251,808,855.08 = 99,680,160.45 : x
  2. Step 2: Convert to fraction form
    167,872,570.05/251,808,855.08 = 99,680,160.45/x
  3. Step 3: Cross multiply
    167,872,570.05x = 251,808,855.08 × 99,680,160.45
  4. Step 4: Simplify right side
    167,872,570.05x = 25,100,347,076,606,796
  5. Step 5: Solve for x
    x = 25,100,347,076,606,796/167,872,570.05
  6. Step 6: Final answer
    x = 149,520,240.68

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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.