Home / 57,102,488.34-78,801,533.88-30,997,023.90

Finding the Fourth Proportional to 57,102,488.34, 78,801,533.88 and 30,997,023.90

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Solution

The fourth proportional to 57,102,488.34, 78,801,533.88 and 30,997,023.90 is: 42,775,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,488.34 : 78,801,533.88 = 30,997,023.90 : x
  2. Step 2: Convert to fraction form
    57,102,488.34/78,801,533.88 = 30,997,023.90/x
  3. Step 3: Cross multiply
    57,102,488.34x = 78,801,533.88 × 30,997,023.90
  4. Step 4: Simplify right side
    57,102,488.34x = 2,442,613,029,035,019.50
  5. Step 5: Solve for x
    x = 2,442,613,029,035,019.50/57,102,488.34
  6. Step 6: Final answer
    x = 42,775,947.25

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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.