Home / 202,424,580.40-303,636,870.60-125,897,076.40

Finding the Fourth Proportional to 202,424,580.40, 303,636,870.60 and 125,897,076.40

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Solution

The fourth proportional to 202,424,580.40, 303,636,870.60 and 125,897,076.40 is: 188,845,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,424,580.40 : 303,636,870.60 = 125,897,076.40 : x
  2. Step 2: Convert to fraction form
    202,424,580.40/303,636,870.60 = 125,897,076.40/x
  3. Step 3: Cross multiply
    202,424,580.40x = 303,636,870.60 × 125,897,076.40
  4. Step 4: Simplify right side
    202,424,580.40x = 38,226,994,295,785,120
  5. Step 5: Solve for x
    x = 38,226,994,295,785,120/202,424,580.40
  6. Step 6: Final answer
    x = 188,845,614.60

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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.