Home / 145,915,661.28-219,398,503.14-134,540,291.82

Finding the Fourth Proportional to 145,915,661.28, 219,398,503.14 and 134,540,291.82

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Solution

The fourth proportional to 145,915,661.28, 219,398,503.14 and 134,540,291.82 is: 202,294,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,915,661.28 : 219,398,503.14 = 134,540,291.82 : x
  2. Step 2: Convert to fraction form
    145,915,661.28/219,398,503.14 = 134,540,291.82/x
  3. Step 3: Cross multiply
    145,915,661.28x = 219,398,503.14 × 134,540,291.82
  4. Step 4: Simplify right side
    145,915,661.28x = 29,517,938,637,326,784
  5. Step 5: Solve for x
    x = 29,517,938,637,326,784/145,915,661.28
  6. Step 6: Final answer
    x = 202,294,519.85

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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.