Home / 251,775,648.69-347,461,118.19-140,266,426.38

Finding the Fourth Proportional to 251,775,648.69, 347,461,118.19 and 140,266,426.38

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Solution

The fourth proportional to 251,775,648.69, 347,461,118.19 and 140,266,426.38 is: 193,573,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,775,648.69 : 347,461,118.19 = 140,266,426.38 : x
  2. Step 2: Convert to fraction form
    251,775,648.69/347,461,118.19 = 140,266,426.38/x
  3. Step 3: Cross multiply
    251,775,648.69x = 347,461,118.19 × 140,266,426.38
  4. Step 4: Simplify right side
    251,775,648.69x = 48,737,129,354,510,112
  5. Step 5: Solve for x
    x = 48,737,129,354,510,112/251,775,648.69
  6. Step 6: Final answer
    x = 193,573,642.28

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1.5x scale

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.