Home / 56,011,774.64-77,294,339.26-30,894,879.12

Finding the Fourth Proportional to 56,011,774.64, 77,294,339.26 and 30,894,879.12

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Solution

The fourth proportional to 56,011,774.64, 77,294,339.26 and 30,894,879.12 is: 42,633,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,011,774.64 : 77,294,339.26 = 30,894,879.12 : x
  2. Step 2: Convert to fraction form
    56,011,774.64/77,294,339.26 = 30,894,879.12/x
  3. Step 3: Cross multiply
    56,011,774.64x = 77,294,339.26 × 30,894,879.12
  4. Step 4: Simplify right side
    56,011,774.64x = 2,387,999,268,097,970.50
  5. Step 5: Solve for x
    x = 2,387,999,268,097,970.50/56,011,774.64
  6. Step 6: Final answer
    x = 42,633,879.81

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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.