Home / 99,690,047.30-149,555,288.55-56,579,903.30

Finding the Fourth Proportional to 99,690,047.30, 149,555,288.55 and 56,579,903.30

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Solution

The fourth proportional to 99,690,047.30, 149,555,288.55 and 56,579,903.30 is: 84,881,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,690,047.30 : 149,555,288.55 = 56,579,903.30 : x
  2. Step 2: Convert to fraction form
    99,690,047.30/149,555,288.55 = 56,579,903.30/x
  3. Step 3: Cross multiply
    99,690,047.30x = 149,555,288.55 × 56,579,903.30
  4. Step 4: Simplify right side
    99,690,047.30x = 8,461,823,764,162,597
  5. Step 5: Solve for x
    x = 8,461,823,764,162,597/99,690,047.30
  6. Step 6: Final answer
    x = 84,881,329.61

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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.