Home / 226,294,962.84-312,289,232.22-128,510,518.68

Finding the Fourth Proportional to 226,294,962.84, 312,289,232.22 and 128,510,518.68

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Solution

The fourth proportional to 226,294,962.84, 312,289,232.22 and 128,510,518.68 is: 177,345,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,294,962.84 : 312,289,232.22 = 128,510,518.68 : x
  2. Step 2: Convert to fraction form
    226,294,962.84/312,289,232.22 = 128,510,518.68/x
  3. Step 3: Cross multiply
    226,294,962.84x = 312,289,232.22 × 128,510,518.68
  4. Step 4: Simplify right side
    226,294,962.84x = 40,132,451,210,771,176
  5. Step 5: Solve for x
    x = 40,132,451,210,771,176/226,294,962.84
  6. Step 6: Final answer
    x = 177,345,755.77

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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.