Home / 99,864,847.80-149,545,329.30-79,709,455.80

Finding the Fourth Proportional to 99,864,847.80, 149,545,329.30 and 79,709,455.80

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Solution

The fourth proportional to 99,864,847.80, 149,545,329.30 and 79,709,455.80 is: 119,363,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,864,847.80 : 149,545,329.30 = 79,709,455.80 : x
  2. Step 2: Convert to fraction form
    99,864,847.80/149,545,329.30 = 79,709,455.80/x
  3. Step 3: Cross multiply
    99,864,847.80x = 149,545,329.30 × 79,709,455.80
  4. Step 4: Simplify right side
    99,864,847.80x = 11,920,176,815,934,796
  5. Step 5: Solve for x
    x = 11,920,176,815,934,796/99,864,847.80
  6. Step 6: Final answer
    x = 119,363,090.00

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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.