Home / 211,052,211.52-316,578,444.72-57,686,733.76

Finding the Fourth Proportional to 211,052,211.52, 316,578,444.72 and 57,686,733.76

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Solution

The fourth proportional to 211,052,211.52, 316,578,444.72 and 57,686,733.76 is: 86,530,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,052,211.52 : 316,578,444.72 = 57,686,733.76 : x
  2. Step 2: Convert to fraction form
    211,052,211.52/316,578,444.72 = 57,686,733.76/x
  3. Step 3: Cross multiply
    211,052,211.52x = 316,578,444.72 × 57,686,733.76
  4. Step 4: Simplify right side
    211,052,211.52x = 18,262,376,454,717,520
  5. Step 5: Solve for x
    x = 18,262,376,454,717,520/211,052,211.52
  6. Step 6: Final answer
    x = 86,530,135.47

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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.