Home / 187,656,125.36-258,811,899.32-132,085,505.12

Finding the Fourth Proportional to 187,656,125.36, 258,811,899.32 and 132,085,505.12

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Solution

The fourth proportional to 187,656,125.36, 258,811,899.32 and 132,085,505.12 is: 182,169,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,656,125.36 : 258,811,899.32 = 132,085,505.12 : x
  2. Step 2: Convert to fraction form
    187,656,125.36/258,811,899.32 = 132,085,505.12/x
  3. Step 3: Cross multiply
    187,656,125.36x = 258,811,899.32 × 132,085,505.12
  4. Step 4: Simplify right side
    187,656,125.36x = 34,185,300,452,748,784
  5. Step 5: Solve for x
    x = 34,185,300,452,748,784/187,656,125.36
  6. Step 6: Final answer
    x = 182,169,915.25

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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.