Home / 310,436,705.20-465,655,057.80-105,971,450.80

Finding the Fourth Proportional to 310,436,705.20, 465,655,057.80 and 105,971,450.80

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Solution

The fourth proportional to 310,436,705.20, 465,655,057.80 and 105,971,450.80 is: 158,957,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,436,705.20 : 465,655,057.80 = 105,971,450.80 : x
  2. Step 2: Convert to fraction form
    310,436,705.20/465,655,057.80 = 105,971,450.80/x
  3. Step 3: Cross multiply
    310,436,705.20x = 465,655,057.80 × 105,971,450.80
  4. Step 4: Simplify right side
    310,436,705.20x = 49,346,142,047,423,856
  5. Step 5: Solve for x
    x = 49,346,142,047,423,856/310,436,705.20
  6. Step 6: Final answer
    x = 158,957,176.20

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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.