Home / 130,567,490.88-195,844,148.72-39,683,993.92

Finding the Fourth Proportional to 130,567,490.88, 195,844,148.72 and 39,683,993.92

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Solution

The fourth proportional to 130,567,490.88, 195,844,148.72 and 39,683,993.92 is: 59,523,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,567,490.88 : 195,844,148.72 = 39,683,993.92 : x
  2. Step 2: Convert to fraction form
    130,567,490.88/195,844,148.72 = 39,683,993.92/x
  3. Step 3: Cross multiply
    130,567,490.88x = 195,844,148.72 × 39,683,993.92
  4. Step 4: Simplify right side
    130,567,490.88x = 7,771,878,007,072,056
  5. Step 5: Solve for x
    x = 7,771,878,007,072,056/130,567,490.88
  6. Step 6: Final answer
    x = 59,523,836.71

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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.