Home / 99,767,049.80-149,700,341.10-56,669,347.40

Finding the Fourth Proportional to 99,767,049.80, 149,700,341.10 and 56,669,347.40

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Solution

The fourth proportional to 99,767,049.80, 149,700,341.10 and 56,669,347.40 is: 85,032,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,767,049.80 : 149,700,341.10 = 56,669,347.40 : x
  2. Step 2: Convert to fraction form
    99,767,049.80/149,700,341.10 = 56,669,347.40/x
  3. Step 3: Cross multiply
    99,767,049.80x = 149,700,341.10 × 56,669,347.40
  4. Step 4: Simplify right side
    99,767,049.80x = 8,483,420,635,694,398
  5. Step 5: Solve for x
    x = 8,483,420,635,694,398/99,767,049.80
  6. Step 6: Final answer
    x = 85,032,289.24

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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.