Home / 108,874,809.20-163,312,213.80-98,125,266.80

Finding the Fourth Proportional to 108,874,809.20, 163,312,213.80 and 98,125,266.80

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Solution

The fourth proportional to 108,874,809.20, 163,312,213.80 and 98,125,266.80 is: 147,187,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874,809.20 : 163,312,213.80 = 98,125,266.80 : x
  2. Step 2: Convert to fraction form
    108,874,809.20/163,312,213.80 = 98,125,266.80/x
  3. Step 3: Cross multiply
    108,874,809.20x = 163,312,213.80 × 98,125,266.80
  4. Step 4: Simplify right side
    108,874,809.20x = 16,025,054,550,823,642
  5. Step 5: Solve for x
    x = 16,025,054,550,823,642/108,874,809.20
  6. Step 6: Final answer
    x = 147,187,900.20

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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.