Home / 131,733,983.08-181,733,280.78-79,506,323.56

Finding the Fourth Proportional to 131,733,983.08, 181,733,280.78 and 79,506,323.56

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Solution

The fourth proportional to 131,733,983.08, 181,733,280.78 and 79,506,323.56 is: 109,682,746.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,733,983.08 : 181,733,280.78 = 79,506,323.56 : x
  2. Step 2: Convert to fraction form
    131,733,983.08/181,733,280.78 = 79,506,323.56/x
  3. Step 3: Cross multiply
    131,733,983.08x = 181,733,280.78 × 79,506,323.56
  4. Step 4: Simplify right side
    131,733,983.08x = 14,448,945,023,315,010
  5. Step 5: Solve for x
    x = 14,448,945,023,315,010/131,733,983.08
  6. Step 6: Final answer
    x = 109,682,746.13

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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.