Home / 127,813,754,693.40-191,720,632,040.10-53,337,187,800.60

Finding the Fourth Proportional to 127,813,754,693.40, 191,720,632,040.10 and 53,337,187,800.60

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Solution

The fourth proportional to 127,813,754,693.40, 191,720,632,040.10 and 53,337,187,800.60 is: 80,005,781,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813,754,693.40 : 191,720,632,040.10 = 53,337,187,800.60 : x
  2. Step 2: Convert to fraction form
    127,813,754,693.40/191,720,632,040.10 = 53,337,187,800.60/x
  3. Step 3: Cross multiply
    127,813,754,693.40x = 191,720,632,040.10 × 53,337,187,800.60
  4. Step 4: Simplify right side
    127,813,754,693.40x = 10,225,839,356,372,542,554,112
  5. Step 5: Solve for x
    x = 10,225,839,356,372,542,554,112/127,813,754,693.40
  6. Step 6: Final answer
    x = 80,005,781,700.90

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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.