Home / 171,853,007.80-257,555,562.90-69,533,289.40

Finding the Fourth Proportional to 171,853,007.80, 257,555,562.90 and 69,533,289.40

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Solution

The fourth proportional to 171,853,007.80, 257,555,562.90 and 69,533,289.40 is: 104,209,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,853,007.80 : 257,555,562.90 = 69,533,289.40 : x
  2. Step 2: Convert to fraction form
    171,853,007.80/257,555,562.90 = 69,533,289.40/x
  3. Step 3: Cross multiply
    171,853,007.80x = 257,555,562.90 × 69,533,289.40
  4. Step 4: Simplify right side
    171,853,007.80x = 17,908,685,491,705,606
  5. Step 5: Solve for x
    x = 17,908,685,491,705,606/171,853,007.80
  6. Step 6: Final answer
    x = 104,209,322.38

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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.