Home / 142,808,833.08-197,080,346.70-80,927,114.04

Finding the Fourth Proportional to 142,808,833.08, 197,080,346.70 and 80,927,114.04

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Solution

The fourth proportional to 142,808,833.08, 197,080,346.70 and 80,927,114.04 is: 111,681,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,808,833.08 : 197,080,346.70 = 80,927,114.04 : x
  2. Step 2: Convert to fraction form
    142,808,833.08/197,080,346.70 = 80,927,114.04/x
  3. Step 3: Cross multiply
    142,808,833.08x = 197,080,346.70 × 80,927,114.04
  4. Step 4: Simplify right side
    142,808,833.08x = 15,949,143,692,433,638
  5. Step 5: Solve for x
    x = 15,949,143,692,433,638/142,808,833.08
  6. Step 6: Final answer
    x = 111,681,773.10

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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.