Home / 89,841,907.08-123,981,914.52-48,588,800.40

Finding the Fourth Proportional to 89,841,907.08, 123,981,914.52 and 48,588,800.40

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Solution

The fourth proportional to 89,841,907.08, 123,981,914.52 and 48,588,800.40 is: 67,052,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,841,907.08 : 123,981,914.52 = 48,588,800.40 : x
  2. Step 2: Convert to fraction form
    89,841,907.08/123,981,914.52 = 48,588,800.40/x
  3. Step 3: Cross multiply
    89,841,907.08x = 123,981,914.52 × 48,588,800.40
  4. Step 4: Simplify right side
    89,841,907.08x = 6,024,132,497,822,141
  5. Step 5: Solve for x
    x = 6,024,132,497,822,141/89,841,907.08
  6. Step 6: Final answer
    x = 67,052,589.31

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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.