Home / 42,771,949.08-64,163,302.02-20,913,059.04

Finding the Fourth Proportional to 42,771,949.08, 64,163,302.02 and 20,913,059.04

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Solution

The fourth proportional to 42,771,949.08, 64,163,302.02 and 20,913,059.04 is: 31,372,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,771,949.08 : 64,163,302.02 = 20,913,059.04 : x
  2. Step 2: Convert to fraction form
    42,771,949.08/64,163,302.02 = 20,913,059.04/x
  3. Step 3: Cross multiply
    42,771,949.08x = 64,163,302.02 × 20,913,059.04
  4. Step 4: Simplify right side
    42,771,949.08x = 1,341,850,923,345,611.25
  5. Step 5: Solve for x
    x = 1,341,850,923,345,611.25/42,771,949.08
  6. Step 6: Final answer
    x = 31,372,218.29

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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.