Home / 162,404,485.56-243,621,043.61-45,820,862.78

Finding the Fourth Proportional to 162,404,485.56, 243,621,043.61 and 45,820,862.78

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Solution

The fourth proportional to 162,404,485.56, 243,621,043.61 and 45,820,862.78 is: 68,735,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,404,485.56 : 243,621,043.61 = 45,820,862.78 : x
  2. Step 2: Convert to fraction form
    162,404,485.56/243,621,043.61 = 45,820,862.78/x
  3. Step 3: Cross multiply
    162,404,485.56x = 243,621,043.61 × 45,820,862.78
  4. Step 4: Simplify right side
    162,404,485.56x = 11,162,926,409,574,206
  5. Step 5: Solve for x
    x = 11,162,926,409,574,206/162,404,485.56
  6. Step 6: Final answer
    x = 68,735,333.09

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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.