Home / 56,773,179.10-78,346,927.04-30,667,692.76

Finding the Fourth Proportional to 56,773,179.10, 78,346,927.04 and 30,667,692.76

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Solution

The fourth proportional to 56,773,179.10, 78,346,927.04 and 30,667,692.76 is: 42,321,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,773,179.10 : 78,346,927.04 = 30,667,692.76 : x
  2. Step 2: Convert to fraction form
    56,773,179.10/78,346,927.04 = 30,667,692.76/x
  3. Step 3: Cross multiply
    56,773,179.10x = 78,346,927.04 × 30,667,692.76
  4. Step 4: Simplify right side
    56,773,179.10x = 2,402,719,487,152,856.50
  5. Step 5: Solve for x
    x = 2,402,719,487,152,856.50/56,773,179.10
  6. Step 6: Final answer
    x = 42,321,383.53

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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.