Home / 109,731,287.20-164,428,969.20-103,684,669.60

Finding the Fourth Proportional to 109,731,287.20, 164,428,969.20 and 103,684,669.60

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Solution

The fourth proportional to 109,731,287.20, 164,428,969.20 and 103,684,669.60 is: 155,368,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,731,287.20 : 164,428,969.20 = 103,684,669.60 : x
  2. Step 2: Convert to fraction form
    109,731,287.20/164,428,969.20 = 103,684,669.60/x
  3. Step 3: Cross multiply
    109,731,287.20x = 164,428,969.20 × 103,684,669.60
  4. Step 4: Simplify right side
    109,731,287.20x = 17,048,763,344,170,574
  5. Step 5: Solve for x
    x = 17,048,763,344,170,574/109,731,287.20
  6. Step 6: Final answer
    x = 155,368,298.13

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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.