Home / 239,431,656.66-358,975,118.81-147,124,682.15

Finding the Fourth Proportional to 239,431,656.66, 358,975,118.81 and 147,124,682.15

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Solution

The fourth proportional to 239,431,656.66, 358,975,118.81 and 147,124,682.15 is: 220,581,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,431,656.66 : 358,975,118.81 = 147,124,682.15 : x
  2. Step 2: Convert to fraction form
    239,431,656.66/358,975,118.81 = 147,124,682.15/x
  3. Step 3: Cross multiply
    239,431,656.66x = 358,975,118.81 × 147,124,682.15
  4. Step 4: Simplify right side
    239,431,656.66x = 52,814,100,253,095,640
  5. Step 5: Solve for x
    x = 52,814,100,253,095,640/239,431,656.66
  6. Step 6: Final answer
    x = 220,581,108.57

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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.