Home / 136,009,624,800.86-187,753,475,227.54-87,861,149,851.40

Finding the Fourth Proportional to 136,009,624,800.86, 187,753,475,227.54 and 87,861,149,851.40

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Solution

The fourth proportional to 136,009,624,800.86, 187,753,475,227.54 and 87,861,149,851.40 is: 121,287,271,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,009,624,800.86 : 187,753,475,227.54 = 87,861,149,851.40 : x
  2. Step 2: Convert to fraction form
    136,009,624,800.86/187,753,475,227.54 = 87,861,149,851.40/x
  3. Step 3: Cross multiply
    136,009,624,800.86x = 187,753,475,227.54 × 87,861,149,851.40
  4. Step 4: Simplify right side
    136,009,624,800.86x = 16,496,236,222,088,008,957,952
  5. Step 5: Solve for x
    x = 16,496,236,222,088,008,957,952/136,009,624,800.86
  6. Step 6: Final answer
    x = 121,287,271,001.90

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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.