Home / 189,561,942.10-284,342,913.15-168,038,581.60

Finding the Fourth Proportional to 189,561,942.10, 284,342,913.15 and 168,038,581.60

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Solution

The fourth proportional to 189,561,942.10, 284,342,913.15 and 168,038,581.60 is: 252,057,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,561,942.10 : 284,342,913.15 = 168,038,581.60 : x
  2. Step 2: Convert to fraction form
    189,561,942.10/284,342,913.15 = 168,038,581.60/x
  3. Step 3: Cross multiply
    189,561,942.10x = 284,342,913.15 × 168,038,581.60
  4. Step 4: Simplify right side
    189,561,942.10x = 47,780,579,813,737,984
  5. Step 5: Solve for x
    x = 47,780,579,813,737,984/189,561,942.10
  6. Step 6: Final answer
    x = 252,057,872.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.