Home / 347,174,145.20-520,572,001.80-104,805,556.40

Finding the Fourth Proportional to 347,174,145.20, 520,572,001.80 and 104,805,556.40

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Solution

The fourth proportional to 347,174,145.20, 520,572,001.80 and 104,805,556.40 is: 157,151,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,174,145.20 : 520,572,001.80 = 104,805,556.40 : x
  2. Step 2: Convert to fraction form
    347,174,145.20/520,572,001.80 = 104,805,556.40/x
  3. Step 3: Cross multiply
    347,174,145.20x = 520,572,001.80 × 104,805,556.40
  4. Step 4: Simplify right side
    347,174,145.20x = 54,558,838,294,910,808
  5. Step 5: Solve for x
    x = 54,558,838,294,910,808/347,174,145.20
  6. Step 6: Final answer
    x = 157,151,213.73

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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.