Home / 86,936,737.20-130,420,852.20-43,697,122.80

Finding the Fourth Proportional to 86,936,737.20, 130,420,852.20 and 43,697,122.80

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Solution

The fourth proportional to 86,936,737.20, 130,420,852.20 and 43,697,122.80 is: 65,553,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,936,737.20 : 130,420,852.20 = 43,697,122.80 : x
  2. Step 2: Convert to fraction form
    86,936,737.20/130,420,852.20 = 43,697,122.80/x
  3. Step 3: Cross multiply
    86,936,737.20x = 130,420,852.20 × 43,697,122.80
  4. Step 4: Simplify right side
    86,936,737.20x = 5,699,015,994,264,050
  5. Step 5: Solve for x
    x = 5,699,015,994,264,050/86,936,737.20
  6. Step 6: Final answer
    x = 65,553,598.83

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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.