Home / 239,878,418.42-359,817,679.46-86,524,462.10

Finding the Fourth Proportional to 239,878,418.42, 359,817,679.46 and 86,524,462.10

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Solution

The fourth proportional to 239,878,418.42, 359,817,679.46 and 86,524,462.10 is: 129,786,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,878,418.42 : 359,817,679.46 = 86,524,462.10 : x
  2. Step 2: Convert to fraction form
    239,878,418.42/359,817,679.46 = 86,524,462.10/x
  3. Step 3: Cross multiply
    239,878,418.42x = 359,817,679.46 × 86,524,462.10
  4. Step 4: Simplify right side
    239,878,418.42x = 31,133,031,167,547,628
  5. Step 5: Solve for x
    x = 31,133,031,167,547,628/239,878,418.42
  6. Step 6: Final answer
    x = 129,786,711.84

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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.