Home / 108,876,124.80-163,314,187.20-102,157,660.80

Finding the Fourth Proportional to 108,876,124.80, 163,314,187.20 and 102,157,660.80

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Solution

The fourth proportional to 108,876,124.80, 163,314,187.20 and 102,157,660.80 is: 153,236,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876,124.80 : 163,314,187.20 = 102,157,660.80 : x
  2. Step 2: Convert to fraction form
    108,876,124.80/163,314,187.20 = 102,157,660.80/x
  3. Step 3: Cross multiply
    108,876,124.80x = 163,314,187.20 × 102,157,660.80
  4. Step 4: Simplify right side
    108,876,124.80x = 16,683,795,339,805,300
  5. Step 5: Solve for x
    x = 16,683,795,339,805,300/108,876,124.80
  6. Step 6: Final answer
    x = 153,236,491.20

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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.