Home / 69,328,909.16-95,773,550.40-55,371,939.88

Finding the Fourth Proportional to 69,328,909.16, 95,773,550.40 and 55,371,939.88

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Solution

The fourth proportional to 69,328,909.16, 95,773,550.40 and 55,371,939.88 is: 76,492,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,328,909.16 : 95,773,550.40 = 55,371,939.88 : x
  2. Step 2: Convert to fraction form
    69,328,909.16/95,773,550.40 = 55,371,939.88/x
  3. Step 3: Cross multiply
    69,328,909.16x = 95,773,550.40 × 55,371,939.88
  4. Step 4: Simplify right side
    69,328,909.16x = 5,303,167,274,842,951
  5. Step 5: Solve for x
    x = 5,303,167,274,842,951/69,328,909.16
  6. Step 6: Final answer
    x = 76,492,870.57

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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.