Home / 130,002,298,875.18-179,404,626,855.69-72,131,726,531.34

Finding the Fourth Proportional to 130,002,298,875.18, 179,404,626,855.69 and 72,131,726,531.34

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Solution

The fourth proportional to 130,002,298,875.18, 179,404,626,855.69 and 72,131,726,531.34 is: 99,542,589,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,002,298,875.18 : 179,404,626,855.69 = 72,131,726,531.34 : x
  2. Step 2: Convert to fraction form
    130,002,298,875.18/179,404,626,855.69 = 72,131,726,531.34/x
  3. Step 3: Cross multiply
    130,002,298,875.18x = 179,404,626,855.69 × 72,131,726,531.34
  4. Step 4: Simplify right side
    130,002,298,875.18x = 12,940,765,482,811,727,544,320
  5. Step 5: Solve for x
    x = 12,940,765,482,811,727,544,320/130,002,298,875.18
  6. Step 6: Final answer
    x = 99,542,589,590.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.