Home / 323,645,373.30-485,515,299.15-105,258,551.70

Finding the Fourth Proportional to 323,645,373.30, 485,515,299.15 and 105,258,551.70

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Solution

The fourth proportional to 323,645,373.30, 485,515,299.15 and 105,258,551.70 is: 157,903,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,645,373.30 : 485,515,299.15 = 105,258,551.70 : x
  2. Step 2: Convert to fraction form
    323,645,373.30/485,515,299.15 = 105,258,551.70/x
  3. Step 3: Cross multiply
    323,645,373.30x = 485,515,299.15 × 105,258,551.70
  4. Step 4: Simplify right side
    323,645,373.30x = 51,104,637,216,721,240
  5. Step 5: Solve for x
    x = 51,104,637,216,721,240/323,645,373.30
  6. Step 6: Final answer
    x = 157,903,191.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.