Home / 108,768,371.60-163,152,557.40-81,894,515.60

Finding the Fourth Proportional to 108,768,371.60, 163,152,557.40 and 81,894,515.60

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Solution

The fourth proportional to 108,768,371.60, 163,152,557.40 and 81,894,515.60 is: 122,841,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,768,371.60 : 163,152,557.40 = 81,894,515.60 : x
  2. Step 2: Convert to fraction form
    108,768,371.60/163,152,557.40 = 81,894,515.60/x
  3. Step 3: Cross multiply
    108,768,371.60x = 163,152,557.40 × 81,894,515.60
  4. Step 4: Simplify right side
    108,768,371.60x = 13,361,299,657,174,194
  5. Step 5: Solve for x
    x = 13,361,299,657,174,194/108,768,371.60
  6. Step 6: Final answer
    x = 122,841,773.40

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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.