Home / 147,618,138.60-221,427,207.90-56,744,692.20

Finding the Fourth Proportional to 147,618,138.60, 221,427,207.90 and 56,744,692.20

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Solution

The fourth proportional to 147,618,138.60, 221,427,207.90 and 56,744,692.20 is: 85,117,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,618,138.60 : 221,427,207.90 = 56,744,692.20 : x
  2. Step 2: Convert to fraction form
    147,618,138.60/221,427,207.90 = 56,744,692.20/x
  3. Step 3: Cross multiply
    147,618,138.60x = 221,427,207.90 × 56,744,692.20
  4. Step 4: Simplify right side
    147,618,138.60x = 12,564,818,756,990,910
  5. Step 5: Solve for x
    x = 12,564,818,756,990,910/147,618,138.60
  6. Step 6: Final answer
    x = 85,117,038.30

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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.