Home / 142,808,869.14-197,080,396.47-80,927,150.10

Finding the Fourth Proportional to 142,808,869.14, 197,080,396.47 and 80,927,150.10

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Solution

The fourth proportional to 142,808,869.14, 197,080,396.47 and 80,927,150.10 is: 111,681,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,808,869.14 : 197,080,396.47 = 80,927,150.10 : x
  2. Step 2: Convert to fraction form
    142,808,869.14/197,080,396.47 = 80,927,150.10/x
  3. Step 3: Cross multiply
    142,808,869.14x = 197,080,396.47 × 80,927,150.10
  4. Step 4: Simplify right side
    142,808,869.14x = 15,949,154,826,895,198
  5. Step 5: Solve for x
    x = 15,949,154,826,895,198/142,808,869.14
  6. Step 6: Final answer
    x = 111,681,822.87

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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.