Home / 118,684,955.20-177,885,715.20-61,147,609.60

Finding the Fourth Proportional to 118,684,955.20, 177,885,715.20 and 61,147,609.60

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Solution

The fourth proportional to 118,684,955.20, 177,885,715.20 and 61,147,609.60 is: 91,648,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,684,955.20 : 177,885,715.20 = 61,147,609.60 : x
  2. Step 2: Convert to fraction form
    118,684,955.20/177,885,715.20 = 61,147,609.60/x
  3. Step 3: Cross multiply
    118,684,955.20x = 177,885,715.20 × 61,147,609.60
  4. Step 4: Simplify right side
    118,684,955.20x = 10,877,286,266,466,386
  5. Step 5: Solve for x
    x = 10,877,286,266,466,386/118,684,955.20
  6. Step 6: Final answer
    x = 91,648,400.15

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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.