Home / 127,745,473.50-176,288,753.43-69,798,721.50

Finding the Fourth Proportional to 127,745,473.50, 176,288,753.43 and 69,798,721.50

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Solution

The fourth proportional to 127,745,473.50, 176,288,753.43 and 69,798,721.50 is: 96,322,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,745,473.50 : 176,288,753.43 = 69,798,721.50 : x
  2. Step 2: Convert to fraction form
    127,745,473.50/176,288,753.43 = 69,798,721.50/x
  3. Step 3: Cross multiply
    127,745,473.50x = 176,288,753.43 × 69,798,721.50
  4. Step 4: Simplify right side
    127,745,473.50x = 12,304,729,604,242,740
  5. Step 5: Solve for x
    x = 12,304,729,604,242,740/127,745,473.50
  6. Step 6: Final answer
    x = 96,322,235.67

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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.