Home / 64,728,724.02-89,346,926.39-51,522,126

Finding the Fourth Proportional to 64,728,724.02, 89,346,926.39 and 51,522,126

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Solution

The fourth proportional to 64,728,724.02, 89,346,926.39 and 51,522,126 is: 71,117,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,728,724.02 : 89,346,926.39 = 51,522,126 : x
  2. Step 2: Convert to fraction form
    64,728,724.02/89,346,926.39 = 51,522,126/x
  3. Step 3: Cross multiply
    64,728,724.02x = 89,346,926.39 × 51,522,126
  4. Step 4: Simplify right side
    64,728,724.02x = 4,603,343,598,920,695
  5. Step 5: Solve for x
    x = 4,603,343,598,920,695/64,728,724.02
  6. Step 6: Final answer
    x = 71,117,477.88

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Why These Related Problems?

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