Home / 99,766,882.80-149,700,090.60-56,669,180.40

Finding the Fourth Proportional to 99,766,882.80, 149,700,090.60 and 56,669,180.40

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Solution

The fourth proportional to 99,766,882.80, 149,700,090.60 and 56,669,180.40 is: 85,032,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,766,882.80 : 149,700,090.60 = 56,669,180.40 : x
  2. Step 2: Convert to fraction form
    99,766,882.80/149,700,090.60 = 56,669,180.40/x
  3. Step 3: Cross multiply
    99,766,882.80x = 149,700,090.60 × 56,669,180.40
  4. Step 4: Simplify right side
    99,766,882.80x = 8,483,381,440,107,744
  5. Step 5: Solve for x
    x = 8,483,381,440,107,744/99,766,882.80
  6. Step 6: Final answer
    x = 85,032,038.71

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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.