Home / 188,490,238.72-282,703,864.80-52,189,400.32

Finding the Fourth Proportional to 188,490,238.72, 282,703,864.80 and 52,189,400.32

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Solution

The fourth proportional to 188,490,238.72, 282,703,864.80 and 52,189,400.32 is: 78,275,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,490,238.72 : 282,703,864.80 = 52,189,400.32 : x
  2. Step 2: Convert to fraction form
    188,490,238.72/282,703,864.80 = 52,189,400.32/x
  3. Step 3: Cross multiply
    188,490,238.72x = 282,703,864.80 × 52,189,400.32
  4. Step 4: Simplify right side
    188,490,238.72x = 14,754,145,172,058,358
  5. Step 5: Solve for x
    x = 14,754,145,172,058,358/188,490,238.72
  6. Step 6: Final answer
    x = 78,275,380.58

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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.