Home / 141,076,665.14-194,686,249.05-78,352,751.84

Finding the Fourth Proportional to 141,076,665.14, 194,686,249.05 and 78,352,751.84

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Solution

The fourth proportional to 141,076,665.14, 194,686,249.05 and 78,352,751.84 is: 108,127,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,076,665.14 : 194,686,249.05 = 78,352,751.84 : x
  2. Step 2: Convert to fraction form
    141,076,665.14/194,686,249.05 = 78,352,751.84/x
  3. Step 3: Cross multiply
    141,076,665.14x = 194,686,249.05 × 78,352,751.84
  4. Step 4: Simplify right side
    141,076,665.14x = 15,254,203,357,501,654
  5. Step 5: Solve for x
    x = 15,254,203,357,501,654/141,076,665.14
  6. Step 6: Final answer
    x = 108,127,048.10

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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.