Home / 108,880,805.80-163,321,208.70-89,985,125.80

Finding the Fourth Proportional to 108,880,805.80, 163,321,208.70 and 89,985,125.80

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Solution

The fourth proportional to 108,880,805.80, 163,321,208.70 and 89,985,125.80 is: 134,977,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,880,805.80 : 163,321,208.70 = 89,985,125.80 : x
  2. Step 2: Convert to fraction form
    108,880,805.80/163,321,208.70 = 89,985,125.80/x
  3. Step 3: Cross multiply
    108,880,805.80x = 163,321,208.70 × 89,985,125.80
  4. Step 4: Simplify right side
    108,880,805.80x = 14,696,479,510,677,552
  5. Step 5: Solve for x
    x = 14,696,479,510,677,552/108,880,805.80
  6. Step 6: Final answer
    x = 134,977,688.70

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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.