Home / 216,892,372.77-299,300,697.41-122,791,886.37

Finding the Fourth Proportional to 216,892,372.77, 299,300,697.41 and 122,791,886.37

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Solution

The fourth proportional to 216,892,372.77, 299,300,697.41 and 122,791,886.37 is: 169,446,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,892,372.77 : 299,300,697.41 = 122,791,886.37 : x
  2. Step 2: Convert to fraction form
    216,892,372.77/299,300,697.41 = 122,791,886.37/x
  3. Step 3: Cross multiply
    216,892,372.77x = 299,300,697.41 × 122,791,886.37
  4. Step 4: Simplify right side
    216,892,372.77x = 36,751,697,226,216,512
  5. Step 5: Solve for x
    x = 36,751,697,226,216,512/216,892,372.77
  6. Step 6: Final answer
    x = 169,446,701.87

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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.