Home / 231,939,232.74-320,076,779.85-127,527,977.70

Finding the Fourth Proportional to 231,939,232.74, 320,076,779.85 and 127,527,977.70

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Solution

The fourth proportional to 231,939,232.74, 320,076,779.85 and 127,527,977.70 is: 175,988,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,939,232.74 : 320,076,779.85 = 127,527,977.70 : x
  2. Step 2: Convert to fraction form
    231,939,232.74/320,076,779.85 = 127,527,977.70/x
  3. Step 3: Cross multiply
    231,939,232.74x = 320,076,779.85 × 127,527,977.70
  4. Step 4: Simplify right side
    231,939,232.74x = 40,818,744,442,998,616
  5. Step 5: Solve for x
    x = 40,818,744,442,998,616/231,939,232.74
  6. Step 6: Final answer
    x = 175,988,960.39

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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.