Home / 150,552,711.20-225,829,066.80-81,677,957.60

Finding the Fourth Proportional to 150,552,711.20, 225,829,066.80 and 81,677,957.60

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Solution

The fourth proportional to 150,552,711.20, 225,829,066.80 and 81,677,957.60 is: 122,516,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,552,711.20 : 225,829,066.80 = 81,677,957.60 : x
  2. Step 2: Convert to fraction form
    150,552,711.20/225,829,066.80 = 81,677,957.60/x
  3. Step 3: Cross multiply
    150,552,711.20x = 225,829,066.80 × 81,677,957.60
  4. Step 4: Simplify right side
    150,552,711.20x = 18,445,256,942,937,968
  5. Step 5: Solve for x
    x = 18,445,256,942,937,968/150,552,711.20
  6. Step 6: Final answer
    x = 122,516,936.40

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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.