Home / 209,953,842.30-314,930,763.45-166,115,864.70

Finding the Fourth Proportional to 209,953,842.30, 314,930,763.45 and 166,115,864.70

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Solution

The fourth proportional to 209,953,842.30, 314,930,763.45 and 166,115,864.70 is: 249,173,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,842.30 : 314,930,763.45 = 166,115,864.70 : x
  2. Step 2: Convert to fraction form
    209,953,842.30/314,930,763.45 = 166,115,864.70/x
  3. Step 3: Cross multiply
    209,953,842.30x = 314,930,763.45 × 166,115,864.70
  4. Step 4: Simplify right side
    209,953,842.30x = 52,314,996,091,127,896
  5. Step 5: Solve for x
    x = 52,314,996,091,127,896/209,953,842.30
  6. Step 6: Final answer
    x = 249,173,797.05

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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.