Home / 125,880,499.08-172,456,898.90-121,162,533

Finding the Fourth Proportional to 125,880,499.08, 172,456,898.90 and 121,162,533

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Solution

The fourth proportional to 125,880,499.08, 172,456,898.90 and 121,162,533 is: 165,993,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,880,499.08 : 172,456,898.90 = 121,162,533 : x
  2. Step 2: Convert to fraction form
    125,880,499.08/172,456,898.90 = 121,162,533/x
  3. Step 3: Cross multiply
    125,880,499.08x = 172,456,898.90 × 121,162,533
  4. Step 4: Simplify right side
    125,880,499.08x = 20,895,314,704,048,916
  5. Step 5: Solve for x
    x = 20,895,314,704,048,916/125,880,499.08
  6. Step 6: Final answer
    x = 165,993,262.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.