Home / 310,507,639.60-465,365,831.10-165,010,903.60

Finding the Fourth Proportional to 310,507,639.60, 465,365,831.10 and 165,010,903.60

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Solution

The fourth proportional to 310,507,639.60, 465,365,831.10 and 165,010,903.60 is: 247,306,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,507,639.60 : 465,365,831.10 = 165,010,903.60 : x
  2. Step 2: Convert to fraction form
    310,507,639.60/465,365,831.10 = 165,010,903.60/x
  3. Step 3: Cross multiply
    310,507,639.60x = 465,365,831.10 × 165,010,903.60
  4. Step 4: Simplify right side
    310,507,639.60x = 76,790,436,294,375,984
  5. Step 5: Solve for x
    x = 76,790,436,294,375,984/310,507,639.60
  6. Step 6: Final answer
    x = 247,306,109.42

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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.