Home / 56,005,643.20-84,008,464.80-52,816,997.20

Finding the Fourth Proportional to 56,005,643.20, 84,008,464.80 and 52,816,997.20

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Solution

The fourth proportional to 56,005,643.20, 84,008,464.80 and 52,816,997.20 is: 79,225,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,005,643.20 : 84,008,464.80 = 52,816,997.20 : x
  2. Step 2: Convert to fraction form
    56,005,643.20/84,008,464.80 = 52,816,997.20/x
  3. Step 3: Cross multiply
    56,005,643.20x = 84,008,464.80 × 52,816,997.20
  4. Step 4: Simplify right side
    56,005,643.20x = 4,437,074,850,117,898.50
  5. Step 5: Solve for x
    x = 4,437,074,850,117,898.50/56,005,643.20
  6. Step 6: Final answer
    x = 79,225,495.80

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Similar ratio
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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.