Home / 99,689,977.80-149,555,184.30-56,579,833.80

Finding the Fourth Proportional to 99,689,977.80, 149,555,184.30 and 56,579,833.80

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Solution

The fourth proportional to 99,689,977.80, 149,555,184.30 and 56,579,833.80 is: 84,881,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,689,977.80 : 149,555,184.30 = 56,579,833.80 : x
  2. Step 2: Convert to fraction form
    99,689,977.80/149,555,184.30 = 56,579,833.80/x
  3. Step 3: Cross multiply
    99,689,977.80x = 149,555,184.30 × 56,579,833.80
  4. Step 4: Simplify right side
    99,689,977.80x = 8,461,807,471,622,370
  5. Step 5: Solve for x
    x = 8,461,807,471,622,370/99,689,977.80
  6. Step 6: Final answer
    x = 84,881,225.36

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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.