Home / 216,791,285-325,250,807.34-87,332,276.84

Finding the Fourth Proportional to 216,791,285, 325,250,807.34 and 87,332,276.84

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Solution

The fourth proportional to 216,791,285, 325,250,807.34 and 87,332,276.84 is: 131,024,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,791,285 : 325,250,807.34 = 87,332,276.84 : x
  2. Step 2: Convert to fraction form
    216,791,285/325,250,807.34 = 87,332,276.84/x
  3. Step 3: Cross multiply
    216,791,285x = 325,250,807.34 × 87,332,276.84
  4. Step 4: Simplify right side
    216,791,285x = 28,404,893,549,050,384
  5. Step 5: Solve for x
    x = 28,404,893,549,050,384/216,791,285
  6. Step 6: Final answer
    x = 131,024,148.64

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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.