Home / 189,038,532.30-283,557,798.45-45,431,364.30

Finding the Fourth Proportional to 189,038,532.30, 283,557,798.45 and 45,431,364.30

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Solution

The fourth proportional to 189,038,532.30, 283,557,798.45 and 45,431,364.30 is: 68,147,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,038,532.30 : 283,557,798.45 = 45,431,364.30 : x
  2. Step 2: Convert to fraction form
    189,038,532.30/283,557,798.45 = 45,431,364.30/x
  3. Step 3: Cross multiply
    189,038,532.30x = 283,557,798.45 × 45,431,364.30
  4. Step 4: Simplify right side
    189,038,532.30x = 12,882,417,641,487,924
  5. Step 5: Solve for x
    x = 12,882,417,641,487,924/189,038,532.30
  6. Step 6: Final answer
    x = 68,147,046.45

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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.