Home / 187,462,994.22-280,054,418.81-121,345,500.87

Finding the Fourth Proportional to 187,462,994.22, 280,054,418.81 and 121,345,500.87

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Solution

The fourth proportional to 187,462,994.22, 280,054,418.81 and 121,345,500.87 is: 181,280,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,462,994.22 : 280,054,418.81 = 121,345,500.87 : x
  2. Step 2: Convert to fraction form
    187,462,994.22/280,054,418.81 = 121,345,500.87/x
  3. Step 3: Cross multiply
    187,462,994.22x = 280,054,418.81 × 121,345,500.87
  4. Step 4: Simplify right side
    187,462,994.22x = 33,983,343,720,749,476
  5. Step 5: Solve for x
    x = 33,983,343,720,749,476/187,462,994.22
  6. Step 6: Final answer
    x = 181,280,278.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.