Home / 243,630,770.85-336,224,683.67-137,793,569.08

Finding the Fourth Proportional to 243,630,770.85, 336,224,683.67 and 137,793,569.08

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Solution

The fourth proportional to 243,630,770.85, 336,224,683.67 and 137,793,569.08 is: 190,163,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,630,770.85 : 336,224,683.67 = 137,793,569.08 : x
  2. Step 2: Convert to fraction form
    243,630,770.85/336,224,683.67 = 137,793,569.08/x
  3. Step 3: Cross multiply
    243,630,770.85x = 336,224,683.67 × 137,793,569.08
  4. Step 4: Simplify right side
    243,630,770.85x = 46,329,599,174,153,760
  5. Step 5: Solve for x
    x = 46,329,599,174,153,760/243,630,770.85
  6. Step 6: Final answer
    x = 190,163,167.86

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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.