Home / 55,609,890.30-83,414,835.45-47,211,810.30

Finding the Fourth Proportional to 55,609,890.30, 83,414,835.45 and 47,211,810.30

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Solution

The fourth proportional to 55,609,890.30, 83,414,835.45 and 47,211,810.30 is: 70,817,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609,890.30 : 83,414,835.45 = 47,211,810.30 : x
  2. Step 2: Convert to fraction form
    55,609,890.30/83,414,835.45 = 47,211,810.30/x
  3. Step 3: Cross multiply
    55,609,890.30x = 83,414,835.45 × 47,211,810.30
  4. Step 4: Simplify right side
    55,609,890.30x = 3,938,165,387,471,115
  5. Step 5: Solve for x
    x = 3,938,165,387,471,115/55,609,890.30
  6. Step 6: Final answer
    x = 70,817,715.45

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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.