Home / 288,096,537.72-397,573,241.46-157,716,345.72

Finding the Fourth Proportional to 288,096,537.72, 397,573,241.46 and 157,716,345.72

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Solution

The fourth proportional to 288,096,537.72, 397,573,241.46 and 157,716,345.72 is: 217,648,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,096,537.72 : 397,573,241.46 = 157,716,345.72 : x
  2. Step 2: Convert to fraction form
    288,096,537.72/397,573,241.46 = 157,716,345.72/x
  3. Step 3: Cross multiply
    288,096,537.72x = 397,573,241.46 × 157,716,345.72
  4. Step 4: Simplify right side
    288,096,537.72x = 62,703,798,799,126,392
  5. Step 5: Solve for x
    x = 62,703,798,799,126,392/288,096,537.72
  6. Step 6: Final answer
    x = 217,648,567.72

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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.