Home / 108,876,619.80-163,314,929.70-89,980,939.80

Finding the Fourth Proportional to 108,876,619.80, 163,314,929.70 and 89,980,939.80

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Solution

The fourth proportional to 108,876,619.80, 163,314,929.70 and 89,980,939.80 is: 134,971,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876,619.80 : 163,314,929.70 = 89,980,939.80 : x
  2. Step 2: Convert to fraction form
    108,876,619.80/163,314,929.70 = 89,980,939.80/x
  3. Step 3: Cross multiply
    108,876,619.80x = 163,314,929.70 × 89,980,939.80
  4. Step 4: Simplify right side
    108,876,619.80x = 14,695,230,857,776,930
  5. Step 5: Solve for x
    x = 14,695,230,857,776,930/108,876,619.80
  6. Step 6: Final answer
    x = 134,971,409.70

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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.