Home / 164,011,421.25-226,340,485.25-90,677,287.17

Finding the Fourth Proportional to 164,011,421.25, 226,340,485.25 and 90,677,287.17

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Solution

The fourth proportional to 164,011,421.25, 226,340,485.25 and 90,677,287.17 is: 125,137,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,011,421.25 : 226,340,485.25 = 90,677,287.17 : x
  2. Step 2: Convert to fraction form
    164,011,421.25/226,340,485.25 = 90,677,287.17/x
  3. Step 3: Cross multiply
    164,011,421.25x = 226,340,485.25 × 90,677,287.17
  4. Step 4: Simplify right side
    164,011,421.25x = 20,523,941,178,758,012
  5. Step 5: Solve for x
    x = 20,523,941,178,758,012/164,011,421.25
  6. Step 6: Final answer
    x = 125,137,268.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.