Home / 56,366,904.64-77,785,890.08-30,612,792.64

Finding the Fourth Proportional to 56,366,904.64, 77,785,890.08 and 30,612,792.64

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Solution

The fourth proportional to 56,366,904.64, 77,785,890.08 and 30,612,792.64 is: 42,245,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,366,904.64 : 77,785,890.08 = 30,612,792.64 : x
  2. Step 2: Convert to fraction form
    56,366,904.64/77,785,890.08 = 30,612,792.64/x
  3. Step 3: Cross multiply
    56,366,904.64x = 77,785,890.08 × 30,612,792.64
  4. Step 4: Simplify right side
    56,366,904.64x = 2,381,243,323,336,873
  5. Step 5: Solve for x
    x = 2,381,243,323,336,873/56,366,904.64
  6. Step 6: Final answer
    x = 42,245,415.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.