Home / 257,934,794.72-355,940,666.01-157,631,040.18

Finding the Fourth Proportional to 257,934,794.72, 355,940,666.01 and 157,631,040.18

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Solution

The fourth proportional to 257,934,794.72, 355,940,666.01 and 157,631,040.18 is: 217,525,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,934,794.72 : 355,940,666.01 = 157,631,040.18 : x
  2. Step 2: Convert to fraction form
    257,934,794.72/355,940,666.01 = 157,631,040.18/x
  3. Step 3: Cross multiply
    257,934,794.72x = 355,940,666.01 × 157,631,040.18
  4. Step 4: Simplify right side
    257,934,794.72x = 56,107,297,425,518,272
  5. Step 5: Solve for x
    x = 56,107,297,425,518,272/257,934,794.72
  6. Step 6: Final answer
    x = 217,525,120.98

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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.