Home / 310,543,875.60-465,420,185.10-165,047,139.60

Finding the Fourth Proportional to 310,543,875.60, 465,420,185.10 and 165,047,139.60

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Solution

The fourth proportional to 310,543,875.60, 465,420,185.10 and 165,047,139.60 is: 247,360,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,543,875.60 : 465,420,185.10 = 165,047,139.60 : x
  2. Step 2: Convert to fraction form
    310,543,875.60/465,420,185.10 = 165,047,139.60/x
  3. Step 3: Cross multiply
    310,543,875.60x = 465,420,185.10 × 165,047,139.60
  4. Step 4: Simplify right side
    310,543,875.60x = 76,816,270,262,857,536
  5. Step 5: Solve for x
    x = 76,816,270,262,857,536/310,543,875.60
  6. Step 6: Final answer
    x = 247,360,441.79

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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.