Home / 187,966,198.91-282,007,031.09-89,723,268.32

Finding the Fourth Proportional to 187,966,198.91, 282,007,031.09 and 89,723,268.32

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Solution

The fourth proportional to 187,966,198.91, 282,007,031.09 and 89,723,268.32 is: 134,612,460.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,966,198.91 : 282,007,031.09 = 89,723,268.32 : x
  2. Step 2: Convert to fraction form
    187,966,198.91/282,007,031.09 = 89,723,268.32/x
  3. Step 3: Cross multiply
    187,966,198.91x = 282,007,031.09 × 89,723,268.32
  4. Step 4: Simplify right side
    187,966,198.91x = 25,302,592,518,342,292
  5. Step 5: Solve for x
    x = 25,302,592,518,342,292/187,966,198.91
  6. Step 6: Final answer
    x = 134,612,460.46

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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.