Home / 189,035,761.80-283,553,642.70-45,428,593.80

Finding the Fourth Proportional to 189,035,761.80, 283,553,642.70 and 45,428,593.80

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Solution

The fourth proportional to 189,035,761.80, 283,553,642.70 and 45,428,593.80 is: 68,142,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,035,761.80 : 283,553,642.70 = 45,428,593.80 : x
  2. Step 2: Convert to fraction form
    189,035,761.80/283,553,642.70 = 45,428,593.80/x
  3. Step 3: Cross multiply
    189,035,761.80x = 283,553,642.70 × 45,428,593.80
  4. Step 4: Simplify right side
    189,035,761.80x = 12,881,443,254,728,634
  5. Step 5: Solve for x
    x = 12,881,443,254,728,634/189,035,761.80
  6. Step 6: Final answer
    x = 68,142,890.70

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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.