Home / 137,339,177.60-205,976,806.40-51,118,189.76

Finding the Fourth Proportional to 137,339,177.60, 205,976,806.40 and 51,118,189.76

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Solution

The fourth proportional to 137,339,177.60, 205,976,806.40 and 51,118,189.76 is: 76,665,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,339,177.60 : 205,976,806.40 = 51,118,189.76 : x
  2. Step 2: Convert to fraction form
    137,339,177.60/205,976,806.40 = 51,118,189.76/x
  3. Step 3: Cross multiply
    137,339,177.60x = 205,976,806.40 × 51,118,189.76
  4. Step 4: Simplify right side
    137,339,177.60x = 10,529,161,475,713,982
  5. Step 5: Solve for x
    x = 10,529,161,475,713,982/137,339,177.60
  6. Step 6: Final answer
    x = 76,665,389.00

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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.