Home / 168,473,576.40-252,757,603.80-71,475,752.40

Finding the Fourth Proportional to 168,473,576.40, 252,757,603.80 and 71,475,752.40

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Solution

The fourth proportional to 168,473,576.40, 252,757,603.80 and 71,475,752.40 is: 107,233,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,473,576.40 : 252,757,603.80 = 71,475,752.40 : x
  2. Step 2: Convert to fraction form
    168,473,576.40/252,757,603.80 = 71,475,752.40/x
  3. Step 3: Cross multiply
    168,473,576.40x = 252,757,603.80 × 71,475,752.40
  4. Step 4: Simplify right side
    168,473,576.40x = 18,066,039,906,426,100
  5. Step 5: Solve for x
    x = 18,066,039,906,426,100/168,473,576.40
  6. Step 6: Final answer
    x = 107,233,670.07

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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.