Home / 166,400,250.12-229,637,210.79-91,051,101.72

Finding the Fourth Proportional to 166,400,250.12, 229,637,210.79 and 91,051,101.72

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Solution

The fourth proportional to 166,400,250.12, 229,637,210.79 and 91,051,101.72 is: 125,653,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,400,250.12 : 229,637,210.79 = 91,051,101.72 : x
  2. Step 2: Convert to fraction form
    166,400,250.12/229,637,210.79 = 91,051,101.72/x
  3. Step 3: Cross multiply
    166,400,250.12x = 229,637,210.79 × 91,051,101.72
  4. Step 4: Simplify right side
    166,400,250.12x = 20,908,721,038,337,372
  5. Step 5: Solve for x
    x = 20,908,721,038,337,372/166,400,250.12
  6. Step 6: Final answer
    x = 125,653,182.75

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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.