Home / 239,878,420.42-359,817,682.46-86,524,464.10

Finding the Fourth Proportional to 239,878,420.42, 359,817,682.46 and 86,524,464.10

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Solution

The fourth proportional to 239,878,420.42, 359,817,682.46 and 86,524,464.10 is: 129,786,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,878,420.42 : 359,817,682.46 = 86,524,464.10 : x
  2. Step 2: Convert to fraction form
    239,878,420.42/359,817,682.46 = 86,524,464.10/x
  3. Step 3: Cross multiply
    239,878,420.42x = 359,817,682.46 × 86,524,464.10
  4. Step 4: Simplify right side
    239,878,420.42x = 31,133,032,148,555,464
  5. Step 5: Solve for x
    x = 31,133,032,148,555,464/239,878,420.42
  6. Step 6: Final answer
    x = 129,786,714.85

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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.