Home / 288,628,336.75-433,014,692.34-84,156,412

Finding the Fourth Proportional to 288,628,336.75, 433,014,692.34 and 84,156,412

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Solution

The fourth proportional to 288,628,336.75, 433,014,692.34 and 84,156,412 is: 126,255,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,628,336.75 : 433,014,692.34 = 84,156,412 : x
  2. Step 2: Convert to fraction form
    288,628,336.75/433,014,692.34 = 84,156,412/x
  3. Step 3: Cross multiply
    288,628,336.75x = 433,014,692.34 × 84,156,412
  4. Step 4: Simplify right side
    288,628,336.75x = 36,440,962,850,618,280
  5. Step 5: Solve for x
    x = 36,440,962,850,618,280/288,628,336.75
  6. Step 6: Final answer
    x = 126,255,665.89

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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.