Home / 203,980,831.70-306,030,938.06-65,803,780.58

Finding the Fourth Proportional to 203,980,831.70, 306,030,938.06 and 65,803,780.58

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Solution

The fourth proportional to 203,980,831.70, 306,030,938.06 and 65,803,780.58 is: 98,724,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,980,831.70 : 306,030,938.06 = 65,803,780.58 : x
  2. Step 2: Convert to fraction form
    203,980,831.70/306,030,938.06 = 65,803,780.58/x
  3. Step 3: Cross multiply
    203,980,831.70x = 306,030,938.06 × 65,803,780.58
  4. Step 4: Simplify right side
    203,980,831.70x = 20,137,992,698,791,812
  5. Step 5: Solve for x
    x = 20,137,992,698,791,812/203,980,831.70
  6. Step 6: Final answer
    x = 98,724,926.90

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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.