Home / 55,777,890.20-83,666,835.30-38,559,201.80

Finding the Fourth Proportional to 55,777,890.20, 83,666,835.30 and 38,559,201.80

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Solution

The fourth proportional to 55,777,890.20, 83,666,835.30 and 38,559,201.80 is: 57,838,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777,890.20 : 83,666,835.30 = 38,559,201.80 : x
  2. Step 2: Convert to fraction form
    55,777,890.20/83,666,835.30 = 38,559,201.80/x
  3. Step 3: Cross multiply
    55,777,890.20x = 83,666,835.30 × 38,559,201.80
  4. Step 4: Simplify right side
    55,777,890.20x = 3,226,126,386,300,063
  5. Step 5: Solve for x
    x = 3,226,126,386,300,063/55,777,890.20
  6. Step 6: Final answer
    x = 57,838,802.70

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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.