Home / 168,531,856.20-252,804,782.70-53,513,152.20

Finding the Fourth Proportional to 168,531,856.20, 252,804,782.70 and 53,513,152.20

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Solution

The fourth proportional to 168,531,856.20, 252,804,782.70 and 53,513,152.20 is: 80,271,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,531,856.20 : 252,804,782.70 = 53,513,152.20 : x
  2. Step 2: Convert to fraction form
    168,531,856.20/252,804,782.70 = 53,513,152.20/x
  3. Step 3: Cross multiply
    168,531,856.20x = 252,804,782.70 × 53,513,152.20
  4. Step 4: Simplify right side
    168,531,856.20x = 13,528,380,813,513,028
  5. Step 5: Solve for x
    x = 13,528,380,813,513,028/168,531,856.20
  6. Step 6: Final answer
    x = 80,271,950.47

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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.