Home / 288,025,995.16-431,864,037.52-112,939,272.18

Finding the Fourth Proportional to 288,025,995.16, 431,864,037.52 and 112,939,272.18

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Solution

The fourth proportional to 288,025,995.16, 431,864,037.52 and 112,939,272.18 is: 169,340,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,025,995.16 : 431,864,037.52 = 112,939,272.18 : x
  2. Step 2: Convert to fraction form
    288,025,995.16/431,864,037.52 = 112,939,272.18/x
  3. Step 3: Cross multiply
    288,025,995.16x = 431,864,037.52 × 112,939,272.18
  4. Step 4: Simplify right side
    288,025,995.16x = 48,774,410,077,942,664
  5. Step 5: Solve for x
    x = 48,774,410,077,942,664/288,025,995.16
  6. Step 6: Final answer
    x = 169,340,305.73

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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.