Home / 201,204,931.80-301,807,397.70-139,982,928.60

Finding the Fourth Proportional to 201,204,931.80, 301,807,397.70 and 139,982,928.60

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Solution

The fourth proportional to 201,204,931.80, 301,807,397.70 and 139,982,928.60 is: 209,974,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,931.80 : 301,807,397.70 = 139,982,928.60 : x
  2. Step 2: Convert to fraction form
    201,204,931.80/301,807,397.70 = 139,982,928.60/x
  3. Step 3: Cross multiply
    201,204,931.80x = 301,807,397.70 × 139,982,928.60
  4. Step 4: Simplify right side
    201,204,931.80x = 42,247,883,403,190,904
  5. Step 5: Solve for x
    x = 42,247,883,403,190,904/201,204,931.80
  6. Step 6: Final answer
    x = 209,974,392.90

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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.