Home / 150,796,725.64-208,116,331.64-91,290,809.91

Finding the Fourth Proportional to 150,796,725.64, 208,116,331.64 and 91,290,809.91

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Solution

The fourth proportional to 150,796,725.64, 208,116,331.64 and 91,290,809.91 is: 125,991,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,796,725.64 : 208,116,331.64 = 91,290,809.91 : x
  2. Step 2: Convert to fraction form
    150,796,725.64/208,116,331.64 = 91,290,809.91/x
  3. Step 3: Cross multiply
    150,796,725.64x = 208,116,331.64 × 91,290,809.91
  4. Step 4: Simplify right side
    150,796,725.64x = 18,999,108,471,123,368
  5. Step 5: Solve for x
    x = 18,999,108,471,123,368/150,796,725.64
  6. Step 6: Final answer
    x = 125,991,518.65

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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.