Home / 347,575,296.80-521,432,929.20-101,931,456.80

Finding the Fourth Proportional to 347,575,296.80, 521,432,929.20 and 101,931,456.80

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Solution

The fourth proportional to 347,575,296.80, 521,432,929.20 and 101,931,456.80 is: 152,917,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,575,296.80 : 521,432,929.20 = 101,931,456.80 : x
  2. Step 2: Convert to fraction form
    347,575,296.80/521,432,929.20 = 101,931,456.80/x
  3. Step 3: Cross multiply
    347,575,296.80x = 521,432,929.20 × 101,931,456.80
  4. Step 4: Simplify right side
    347,575,296.80x = 53,150,418,096,847,256
  5. Step 5: Solve for x
    x = 53,150,418,096,847,256/347,575,296.80
  6. Step 6: Final answer
    x = 152,917,709.01

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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.