Home / 373,721,140.20-560,413,748.70-143,613,748.20

Finding the Fourth Proportional to 373,721,140.20, 560,413,748.70 and 143,613,748.20

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Solution

The fourth proportional to 373,721,140.20, 560,413,748.70 and 143,613,748.20 is: 215,356,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,721,140.20 : 560,413,748.70 = 143,613,748.20 : x
  2. Step 2: Convert to fraction form
    373,721,140.20/560,413,748.70 = 143,613,748.20/x
  3. Step 3: Cross multiply
    373,721,140.20x = 560,413,748.70 × 143,613,748.20
  4. Step 4: Simplify right side
    373,721,140.20x = 80,483,118,993,619,872
  5. Step 5: Solve for x
    x = 80,483,118,993,619,872/373,721,140.20
  6. Step 6: Final answer
    x = 215,356,077.93

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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.