Home / 375,225,168.56-517,810,782.40-207,972,216.16

Finding the Fourth Proportional to 375,225,168.56, 517,810,782.40 and 207,972,216.16

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Solution

The fourth proportional to 375,225,168.56, 517,810,782.40 and 207,972,216.16 is: 287,001,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,225,168.56 : 517,810,782.40 = 207,972,216.16 : x
  2. Step 2: Convert to fraction form
    375,225,168.56/517,810,782.40 = 207,972,216.16/x
  3. Step 3: Cross multiply
    375,225,168.56x = 517,810,782.40 × 207,972,216.16
  4. Step 4: Simplify right side
    375,225,168.56x = 107,690,255,967,271,520
  5. Step 5: Solve for x
    x = 107,690,255,967,271,520/375,225,168.56
  6. Step 6: Final answer
    x = 287,001,685.90

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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.