Home / 56,773,180.10-78,346,928.42-30,667,693.76

Finding the Fourth Proportional to 56,773,180.10, 78,346,928.42 and 30,667,693.76

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Solution

The fourth proportional to 56,773,180.10, 78,346,928.42 and 30,667,693.76 is: 42,321,384.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,773,180.10 : 78,346,928.42 = 30,667,693.76 : x
  2. Step 2: Convert to fraction form
    56,773,180.10/78,346,928.42 = 30,667,693.76/x
  3. Step 3: Cross multiply
    56,773,180.10x = 78,346,928.42 × 30,667,693.76
  4. Step 4: Simplify right side
    56,773,180.10x = 2,402,719,607,821,201
  5. Step 5: Solve for x
    x = 2,402,719,607,821,201/56,773,180.10
  6. Step 6: Final answer
    x = 42,321,384.91

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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.