Home / 131,531,570.90-197,297,356.35-126,156,799.70

Finding the Fourth Proportional to 131,531,570.90, 197,297,356.35 and 126,156,799.70

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Solution

The fourth proportional to 131,531,570.90, 197,297,356.35 and 126,156,799.70 is: 189,235,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,531,570.90 : 197,297,356.35 = 126,156,799.70 : x
  2. Step 2: Convert to fraction form
    131,531,570.90/197,297,356.35 = 126,156,799.70/x
  3. Step 3: Cross multiply
    131,531,570.90x = 197,297,356.35 × 126,156,799.70
  4. Step 4: Simplify right side
    131,531,570.90x = 24,890,403,066,386,472
  5. Step 5: Solve for x
    x = 24,890,403,066,386,472/131,531,570.90
  6. Step 6: Final answer
    x = 189,235,199.55

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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.