Home / 108,803,580.30-163,205,370.45-72,293,583.60

Finding the Fourth Proportional to 108,803,580.30, 163,205,370.45 and 72,293,583.60

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Solution

The fourth proportional to 108,803,580.30, 163,205,370.45 and 72,293,583.60 is: 108,440,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,803,580.30 : 163,205,370.45 = 72,293,583.60 : x
  2. Step 2: Convert to fraction form
    108,803,580.30/163,205,370.45 = 72,293,583.60/x
  3. Step 3: Cross multiply
    108,803,580.30x = 163,205,370.45 × 72,293,583.60
  4. Step 4: Simplify right side
    108,803,580.30x = 11,798,701,092,596,042
  5. Step 5: Solve for x
    x = 11,798,701,092,596,042/108,803,580.30
  6. Step 6: Final answer
    x = 108,440,375.40

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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.