Home / 99,689,934.30-149,555,119.05-56,579,790.30

Finding the Fourth Proportional to 99,689,934.30, 149,555,119.05 and 56,579,790.30

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Solution

The fourth proportional to 99,689,934.30, 149,555,119.05 and 56,579,790.30 is: 84,881,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,689,934.30 : 149,555,119.05 = 56,579,790.30 : x
  2. Step 2: Convert to fraction form
    99,689,934.30/149,555,119.05 = 56,579,790.30/x
  3. Step 3: Cross multiply
    99,689,934.30x = 149,555,119.05 × 56,579,790.30
  4. Step 4: Simplify right side
    99,689,934.30x = 8,461,797,274,140,535
  5. Step 5: Solve for x
    x = 8,461,797,274,140,535/99,689,934.30
  6. Step 6: Final answer
    x = 84,881,160.10

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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.