Home / 189,534,494.32-284,319,091.74-53,218,959.28

Finding the Fourth Proportional to 189,534,494.32, 284,319,091.74 and 53,218,959.28

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Solution

The fourth proportional to 189,534,494.32, 284,319,091.74 and 53,218,959.28 is: 79,833,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,534,494.32 : 284,319,091.74 = 53,218,959.28 : x
  2. Step 2: Convert to fraction form
    189,534,494.32/284,319,091.74 = 53,218,959.28/x
  3. Step 3: Cross multiply
    189,534,494.32x = 284,319,091.74 × 53,218,959.28
  4. Step 4: Simplify right side
    189,534,494.32x = 15,131,166,165,837,646
  5. Step 5: Solve for x
    x = 15,131,166,165,837,646/189,534,494.32
  6. Step 6: Final answer
    x = 79,833,310.66

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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.