Home / 151,829,933.72-209,526,303.57-82,215,318.02

Finding the Fourth Proportional to 151,829,933.72, 209,526,303.57 and 82,215,318.02

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Solution

The fourth proportional to 151,829,933.72, 209,526,303.57 and 82,215,318.02 is: 113,457,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,829,933.72 : 209,526,303.57 = 82,215,318.02 : x
  2. Step 2: Convert to fraction form
    151,829,933.72/209,526,303.57 = 82,215,318.02/x
  3. Step 3: Cross multiply
    151,829,933.72x = 209,526,303.57 × 82,215,318.02
  4. Step 4: Simplify right side
    151,829,933.72x = 17,226,271,681,562,610
  5. Step 5: Solve for x
    x = 17,226,271,681,562,610/151,829,933.72
  6. Step 6: Final answer
    x = 113,457,677.68

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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.