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Finding the Fourth Proportional to 324,003,692.94, 486,119,176.02 and 93,986,580.30

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Solution

The fourth proportional to 324,003,692.94, 486,119,176.02 and 93,986,580.30 is: 141,012,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,003,692.94 : 486,119,176.02 = 93,986,580.30 : x
  2. Step 2: Convert to fraction form
    324,003,692.94/486,119,176.02 = 93,986,580.30/x
  3. Step 3: Cross multiply
    324,003,692.94x = 486,119,176.02 × 93,986,580.30
  4. Step 4: Simplify right side
    324,003,692.94x = 45,688,678,972,373,560
  5. Step 5: Solve for x
    x = 45,688,678,972,373,560/324,003,692.94
  6. Step 6: Final answer
    x = 141,012,834.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.