Home / 283,812,660.45-391,602,975.12-163,087,323.35

Finding the Fourth Proportional to 283,812,660.45, 391,602,975.12 and 163,087,323.35

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Solution

The fourth proportional to 283,812,660.45, 391,602,975.12 and 163,087,323.35 is: 225,026,892.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,812,660.45 : 391,602,975.12 = 163,087,323.35 : x
  2. Step 2: Convert to fraction form
    283,812,660.45/391,602,975.12 = 163,087,323.35/x
  3. Step 3: Cross multiply
    283,812,660.45x = 391,602,975.12 × 163,087,323.35
  4. Step 4: Simplify right side
    283,812,660.45x = 63,865,481,028,508,328
  5. Step 5: Solve for x
    x = 63,865,481,028,508,328/283,812,660.45
  6. Step 6: Final answer
    x = 225,026,892.48

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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.