Home / 143,598,190.40-215,398,514.40-47,860,078.40

Finding the Fourth Proportional to 143,598,190.40, 215,398,514.40 and 47,860,078.40

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Solution

The fourth proportional to 143,598,190.40, 215,398,514.40 and 47,860,078.40 is: 71,790,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,598,190.40 : 215,398,514.40 = 47,860,078.40 : x
  2. Step 2: Convert to fraction form
    143,598,190.40/215,398,514.40 = 47,860,078.40/x
  3. Step 3: Cross multiply
    143,598,190.40x = 215,398,514.40 × 47,860,078.40
  4. Step 4: Simplify right side
    143,598,190.40x = 10,308,989,786,427,528
  5. Step 5: Solve for x
    x = 10,308,989,786,427,528/143,598,190.40
  6. Step 6: Final answer
    x = 71,790,527.15

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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.