Home / 56,311,970.28-77,710,518.96-30,557,858.28

Finding the Fourth Proportional to 56,311,970.28, 77,710,518.96 and 30,557,858.28

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Solution

The fourth proportional to 56,311,970.28, 77,710,518.96 and 30,557,858.28 is: 42,169,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,311,970.28 : 77,710,518.96 = 30,557,858.28 : x
  2. Step 2: Convert to fraction form
    56,311,970.28/77,710,518.96 = 30,557,858.28/x
  3. Step 3: Cross multiply
    56,311,970.28x = 77,710,518.96 × 30,557,858.28
  4. Step 4: Simplify right side
    56,311,970.28x = 2,374,667,025,244,933
  5. Step 5: Solve for x
    x = 2,374,667,025,244,933/56,311,970.28
  6. Step 6: Final answer
    x = 42,169,844.41

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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.