Home / 148,695,904.27-205,205,885.81-89,166,892.28

Finding the Fourth Proportional to 148,695,904.27, 205,205,885.81 and 89,166,892.28

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Solution

The fourth proportional to 148,695,904.27, 205,205,885.81 and 89,166,892.28 is: 123,053,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,695,904.27 : 205,205,885.81 = 89,166,892.28 : x
  2. Step 2: Convert to fraction form
    148,695,904.27/205,205,885.81 = 89,166,892.28/x
  3. Step 3: Cross multiply
    148,695,904.27x = 205,205,885.81 × 89,166,892.28
  4. Step 4: Simplify right side
    148,695,904.27x = 18,297,571,114,796,416
  5. Step 5: Solve for x
    x = 18,297,571,114,796,416/148,695,904.27
  6. Step 6: Final answer
    x = 123,053,632.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.