Home / 125,073,320.57-172,500,540.81-109,953,240.01

Finding the Fourth Proportional to 125,073,320.57, 172,500,540.81 and 109,953,240.01

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Solution

The fourth proportional to 125,073,320.57, 172,500,540.81 and 109,953,240.01 is: 151,646,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,073,320.57 : 172,500,540.81 = 109,953,240.01 : x
  2. Step 2: Convert to fraction form
    125,073,320.57/172,500,540.81 = 109,953,240.01/x
  3. Step 3: Cross multiply
    125,073,320.57x = 172,500,540.81 × 109,953,240.01
  4. Step 4: Simplify right side
    125,073,320.57x = 18,966,993,364,693,152
  5. Step 5: Solve for x
    x = 18,966,993,364,693,152/125,073,320.57
  6. Step 6: Final answer
    x = 151,646,996.17

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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.