Home / 122,690,618.20-183,879,629.70-65,210,426.20

Finding the Fourth Proportional to 122,690,618.20, 183,879,629.70 and 65,210,426.20

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Solution

The fourth proportional to 122,690,618.20, 183,879,629.70 and 65,210,426.20 is: 97,732,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,690,618.20 : 183,879,629.70 = 65,210,426.20 : x
  2. Step 2: Convert to fraction form
    122,690,618.20/183,879,629.70 = 65,210,426.20/x
  3. Step 3: Cross multiply
    122,690,618.20x = 183,879,629.70 × 65,210,426.20
  4. Step 4: Simplify right side
    122,690,618.20x = 11,990,869,022,235,178
  5. Step 5: Solve for x
    x = 11,990,869,022,235,178/122,690,618.20
  6. Step 6: Final answer
    x = 97,732,566.66

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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.