Home / 202,409,124.57-279,343,315.23-123,005,860.44

Finding the Fourth Proportional to 202,409,124.57, 279,343,315.23 and 123,005,860.44

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Solution

The fourth proportional to 202,409,124.57, 279,343,315.23 and 123,005,860.44 is: 169,759,465.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,409,124.57 : 279,343,315.23 = 123,005,860.44 : x
  2. Step 2: Convert to fraction form
    202,409,124.57/279,343,315.23 = 123,005,860.44/x
  3. Step 3: Cross multiply
    202,409,124.57x = 279,343,315.23 × 123,005,860.44
  4. Step 4: Simplify right side
    202,409,124.57x = 34,360,864,848,028,308
  5. Step 5: Solve for x
    x = 34,360,864,848,028,308/202,409,124.57
  6. Step 6: Final answer
    x = 169,759,465.74

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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.