Home / 108,880,152.40-163,320,228.60-68,569,368.40

Finding the Fourth Proportional to 108,880,152.40, 163,320,228.60 and 68,569,368.40

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Solution

The fourth proportional to 108,880,152.40, 163,320,228.60 and 68,569,368.40 is: 102,854,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,880,152.40 : 163,320,228.60 = 68,569,368.40 : x
  2. Step 2: Convert to fraction form
    108,880,152.40/163,320,228.60 = 68,569,368.40/x
  3. Step 3: Cross multiply
    108,880,152.40x = 163,320,228.60 × 68,569,368.40
  4. Step 4: Simplify right side
    108,880,152.40x = 11,198,764,922,045,616
  5. Step 5: Solve for x
    x = 11,198,764,922,045,616/108,880,152.40
  6. Step 6: Final answer
    x = 102,854,052.60

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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.