Home / 53,561,153.70-80,341,730.55-28,009,995.30

Finding the Fourth Proportional to 53,561,153.70, 80,341,730.55 and 28,009,995.30

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Solution

The fourth proportional to 53,561,153.70, 80,341,730.55 and 28,009,995.30 is: 42,014,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,561,153.70 : 80,341,730.55 = 28,009,995.30 : x
  2. Step 2: Convert to fraction form
    53,561,153.70/80,341,730.55 = 28,009,995.30/x
  3. Step 3: Cross multiply
    53,561,153.70x = 80,341,730.55 × 28,009,995.30
  4. Step 4: Simplify right side
    53,561,153.70x = 2,250,371,495,099,366.50
  5. Step 5: Solve for x
    x = 2,250,371,495,099,366.50/53,561,153.70
  6. Step 6: Final answer
    x = 42,014,992.95

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Similar ratio
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1.5x scale

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.