Home / 150,994,278.89-208,368,837.76-87,417,298.74

Finding the Fourth Proportional to 150,994,278.89, 208,368,837.76 and 87,417,298.74

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Solution

The fourth proportional to 150,994,278.89, 208,368,837.76 and 87,417,298.74 is: 120,633,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,994,278.89 : 208,368,837.76 = 87,417,298.74 : x
  2. Step 2: Convert to fraction form
    150,994,278.89/208,368,837.76 = 87,417,298.74/x
  3. Step 3: Cross multiply
    150,994,278.89x = 208,368,837.76 × 87,417,298.74
  4. Step 4: Simplify right side
    150,994,278.89x = 18,215,040,938,572,512
  5. Step 5: Solve for x
    x = 18,215,040,938,572,512/150,994,278.89
  6. Step 6: Final answer
    x = 120,633,980.79

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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.