Home / 109,165,669.44-150,630,841.80-64,505,427

Finding the Fourth Proportional to 109,165,669.44, 150,630,841.80 and 64,505,427

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Solution

The fourth proportional to 109,165,669.44, 150,630,841.80 and 64,505,427 is: 89,006,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,165,669.44 : 150,630,841.80 = 64,505,427 : x
  2. Step 2: Convert to fraction form
    109,165,669.44/150,630,841.80 = 64,505,427/x
  3. Step 3: Cross multiply
    109,165,669.44x = 150,630,841.80 × 64,505,427
  4. Step 4: Simplify right side
    109,165,669.44x = 9,716,506,769,678,450
  5. Step 5: Solve for x
    x = 9,716,506,769,678,450/109,165,669.44
  6. Step 6: Final answer
    x = 89,006,981.95

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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.