Home / 80,468,206.80-120,634,075.80-29,320,400.40

Finding the Fourth Proportional to 80,468,206.80, 120,634,075.80 and 29,320,400.40

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Solution

The fourth proportional to 80,468,206.80, 120,634,075.80 and 29,320,400.40 is: 43,955,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,468,206.80 : 120,634,075.80 = 29,320,400.40 : x
  2. Step 2: Convert to fraction form
    80,468,206.80/120,634,075.80 = 29,320,400.40/x
  3. Step 3: Cross multiply
    80,468,206.80x = 120,634,075.80 × 29,320,400.40
  4. Step 4: Simplify right side
    80,468,206.80x = 3,537,039,404,339,950
  5. Step 5: Solve for x
    x = 3,537,039,404,339,950/80,468,206.80
  6. Step 6: Final answer
    x = 43,955,737.86

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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.