Home / 55,609,853.80-83,414,780.70-47,211,773.80

Finding the Fourth Proportional to 55,609,853.80, 83,414,780.70 and 47,211,773.80

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Solution

The fourth proportional to 55,609,853.80, 83,414,780.70 and 47,211,773.80 is: 70,817,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609,853.80 : 83,414,780.70 = 47,211,773.80 : x
  2. Step 2: Convert to fraction form
    55,609,853.80/83,414,780.70 = 47,211,773.80/x
  3. Step 3: Cross multiply
    55,609,853.80x = 83,414,780.70 × 47,211,773.80
  4. Step 4: Simplify right side
    55,609,853.80x = 3,938,159,757,985,005.50
  5. Step 5: Solve for x
    x = 3,938,159,757,985,005.50/55,609,853.80
  6. Step 6: Final answer
    x = 70,817,660.70

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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.