Home / 243,037,558.46-335,393,921.90-138,620,916.52

Finding the Fourth Proportional to 243,037,558.46, 335,393,921.90 and 138,620,916.52

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Solution

The fourth proportional to 243,037,558.46, 335,393,921.90 and 138,620,916.52 is: 191,298,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,037,558.46 : 335,393,921.90 = 138,620,916.52 : x
  2. Step 2: Convert to fraction form
    243,037,558.46/335,393,921.90 = 138,620,916.52/x
  3. Step 3: Cross multiply
    243,037,558.46x = 335,393,921.90 × 138,620,916.52
  4. Step 4: Simplify right side
    243,037,558.46x = 46,492,612,849,015,304
  5. Step 5: Solve for x
    x = 46,492,612,849,015,304/243,037,558.46
  6. Step 6: Final answer
    x = 191,298,057.57

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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.