Home / 109,255,513.70-163,883,270.55-84,862,371.80

Finding the Fourth Proportional to 109,255,513.70, 163,883,270.55 and 84,862,371.80

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Solution

The fourth proportional to 109,255,513.70, 163,883,270.55 and 84,862,371.80 is: 127,293,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,255,513.70 : 163,883,270.55 = 84,862,371.80 : x
  2. Step 2: Convert to fraction form
    109,255,513.70/163,883,270.55 = 84,862,371.80/x
  3. Step 3: Cross multiply
    109,255,513.70x = 163,883,270.55 × 84,862,371.80
  4. Step 4: Simplify right side
    109,255,513.70x = 13,907,523,037,214,092
  5. Step 5: Solve for x
    x = 13,907,523,037,214,092/109,255,513.70
  6. Step 6: Final answer
    x = 127,293,557.70

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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.