Home / 271,981,643.13-375,331,077-151,278,816.78

Finding the Fourth Proportional to 271,981,643.13, 375,331,077 and 151,278,816.78

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Solution

The fourth proportional to 271,981,643.13, 375,331,077 and 151,278,816.78 is: 208,762,770.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,981,643.13 : 375,331,077 = 151,278,816.78 : x
  2. Step 2: Convert to fraction form
    271,981,643.13/375,331,077 = 151,278,816.78/x
  3. Step 3: Cross multiply
    271,981,643.13x = 375,331,077 × 151,278,816.78
  4. Step 4: Simplify right side
    271,981,643.13x = 56,779,641,229,323,072
  5. Step 5: Solve for x
    x = 56,779,641,229,323,072/271,981,643.13
  6. Step 6: Final answer
    x = 208,762,770.07

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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.