Home / 206,736,790.40-285,302,856.32-113,923,276.80

Finding the Fourth Proportional to 206,736,790.40, 285,302,856.32 and 113,923,276.80

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Solution

The fourth proportional to 206,736,790.40, 285,302,856.32 and 113,923,276.80 is: 157,217,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,736,790.40 : 285,302,856.32 = 113,923,276.80 : x
  2. Step 2: Convert to fraction form
    206,736,790.40/285,302,856.32 = 113,923,276.80/x
  3. Step 3: Cross multiply
    206,736,790.40x = 285,302,856.32 × 113,923,276.80
  4. Step 4: Simplify right side
    206,736,790.40x = 32,502,636,272,373,988
  5. Step 5: Solve for x
    x = 32,502,636,272,373,988/206,736,790.40
  6. Step 6: Final answer
    x = 157,217,475.46

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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.