Home / 188,490,239.72-282,703,866.30-52,189,401.32

Finding the Fourth Proportional to 188,490,239.72, 282,703,866.30 and 52,189,401.32

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Solution

The fourth proportional to 188,490,239.72, 282,703,866.30 and 52,189,401.32 is: 78,275,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,490,239.72 : 282,703,866.30 = 52,189,401.32 : x
  2. Step 2: Convert to fraction form
    188,490,239.72/282,703,866.30 = 52,189,401.32/x
  3. Step 3: Cross multiply
    188,490,239.72x = 282,703,866.30 × 52,189,401.32
  4. Step 4: Simplify right side
    188,490,239.72x = 14,754,145,533,046,324
  5. Step 5: Solve for x
    x = 14,754,145,533,046,324/188,490,239.72
  6. Step 6: Final answer
    x = 78,275,382.08

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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.