Home / 161,689,692.60-242,569,968.30-52,496,281.80

Finding the Fourth Proportional to 161,689,692.60, 242,569,968.30 and 52,496,281.80

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Solution

The fourth proportional to 161,689,692.60, 242,569,968.30 and 52,496,281.80 is: 78,755,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,689,692.60 : 242,569,968.30 = 52,496,281.80 : x
  2. Step 2: Convert to fraction form
    161,689,692.60/242,569,968.30 = 52,496,281.80/x
  3. Step 3: Cross multiply
    161,689,692.60x = 242,569,968.30 × 52,496,281.80
  4. Step 4: Simplify right side
    161,689,692.60x = 12,734,021,412,093,866
  5. Step 5: Solve for x
    x = 12,734,021,412,093,866/161,689,692.60
  6. Step 6: Final answer
    x = 78,755,925.67

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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.