Home / 120,821,529.60-181,326,772.80-56,133,350.10

Finding the Fourth Proportional to 120,821,529.60, 181,326,772.80 and 56,133,350.10

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Solution

The fourth proportional to 120,821,529.60, 181,326,772.80 and 56,133,350.10 is: 84,243,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,821,529.60 : 181,326,772.80 = 56,133,350.10 : x
  2. Step 2: Convert to fraction form
    120,821,529.60/181,326,772.80 = 56,133,350.10/x
  3. Step 3: Cross multiply
    120,821,529.60x = 181,326,772.80 × 56,133,350.10
  4. Step 4: Simplify right side
    120,821,529.60x = 10,178,479,220,085,558
  5. Step 5: Solve for x
    x = 10,178,479,220,085,558/120,821,529.60
  6. Step 6: Final answer
    x = 84,243,919.55

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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.