Home / 102,218,006.40-153,327,009.60-51,107,913.60

Finding the Fourth Proportional to 102,218,006.40, 153,327,009.60 and 51,107,913.60

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Solution

The fourth proportional to 102,218,006.40, 153,327,009.60 and 51,107,913.60 is: 76,661,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,218,006.40 : 153,327,009.60 = 51,107,913.60 : x
  2. Step 2: Convert to fraction form
    102,218,006.40/153,327,009.60 = 51,107,913.60/x
  3. Step 3: Cross multiply
    102,218,006.40x = 153,327,009.60 × 51,107,913.60
  4. Step 4: Simplify right side
    102,218,006.40x = 7,836,223,559,183,170
  5. Step 5: Solve for x
    x = 7,836,223,559,183,170/102,218,006.40
  6. Step 6: Final answer
    x = 76,661,870.40

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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.