Home / 146,139,057.52-201,671,882.65-87,401,713.22

Finding the Fourth Proportional to 146,139,057.52, 201,671,882.65 and 87,401,713.22

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Solution

The fourth proportional to 146,139,057.52, 201,671,882.65 and 87,401,713.22 is: 120,614,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,139,057.52 : 201,671,882.65 = 87,401,713.22 : x
  2. Step 2: Convert to fraction form
    146,139,057.52/201,671,882.65 = 87,401,713.22/x
  3. Step 3: Cross multiply
    146,139,057.52x = 201,671,882.65 × 87,401,713.22
  4. Step 4: Simplify right side
    146,139,057.52x = 17,626,468,051,912,794
  5. Step 5: Solve for x
    x = 17,626,468,051,912,794/146,139,057.52
  6. Step 6: Final answer
    x = 120,614,354.24

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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.