Home / 103,519,316.70-155,147,098.95-55,020,404.70

Finding the Fourth Proportional to 103,519,316.70, 155,147,098.95 and 55,020,404.70

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Solution

The fourth proportional to 103,519,316.70, 155,147,098.95 and 55,020,404.70 is: 82,460,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,519,316.70 : 155,147,098.95 = 55,020,404.70 : x
  2. Step 2: Convert to fraction form
    103,519,316.70/155,147,098.95 = 55,020,404.70/x
  3. Step 3: Cross multiply
    103,519,316.70x = 155,147,098.95 × 55,020,404.70
  4. Step 4: Simplify right side
    103,519,316.70x = 8,536,256,172,259,945
  5. Step 5: Solve for x
    x = 8,536,256,172,259,945/103,519,316.70
  6. Step 6: Final answer
    x = 82,460,515.05

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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.