Home / 147,998,381.28-204,233,332.32-81,921,588

Finding the Fourth Proportional to 147,998,381.28, 204,233,332.32 and 81,921,588

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Solution

The fourth proportional to 147,998,381.28, 204,233,332.32 and 81,921,588 is: 113,049,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,998,381.28 : 204,233,332.32 = 81,921,588 : x
  2. Step 2: Convert to fraction form
    147,998,381.28/204,233,332.32 = 81,921,588/x
  3. Step 3: Cross multiply
    147,998,381.28x = 204,233,332.32 × 81,921,588
  4. Step 4: Simplify right side
    147,998,381.28x = 16,731,118,906,186,124
  5. Step 5: Solve for x
    x = 16,731,118,906,186,124/147,998,381.28
  6. Step 6: Final answer
    x = 113,049,337.17

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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.