Home / 73,023,692.20-100,772,328.90-39,983,341.48

Finding the Fourth Proportional to 73,023,692.20, 100,772,328.90 and 39,983,341.48

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Solution

The fourth proportional to 73,023,692.20, 100,772,328.90 and 39,983,341.48 is: 55,176,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,023,692.20 : 100,772,328.90 = 39,983,341.48 : x
  2. Step 2: Convert to fraction form
    73,023,692.20/100,772,328.90 = 39,983,341.48/x
  3. Step 3: Cross multiply
    73,023,692.20x = 100,772,328.90 × 39,983,341.48
  4. Step 4: Simplify right side
    73,023,692.20x = 4,029,214,438,143,572.50
  5. Step 5: Solve for x
    x = 4,029,214,438,143,572.50/73,023,692.20
  6. Step 6: Final answer
    x = 55,176,810.66

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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.