Home / 118,829,775.15-178,118,858.07-39,971,211.21

Finding the Fourth Proportional to 118,829,775.15, 178,118,858.07 and 39,971,211.21

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Solution

The fourth proportional to 118,829,775.15, 178,118,858.07 and 39,971,211.21 is: 59,914,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,829,775.15 : 178,118,858.07 = 39,971,211.21 : x
  2. Step 2: Convert to fraction form
    118,829,775.15/178,118,858.07 = 39,971,211.21/x
  3. Step 3: Cross multiply
    118,829,775.15x = 178,118,858.07 × 39,971,211.21
  4. Step 4: Simplify right side
    118,829,775.15x = 7,119,626,496,399,983
  5. Step 5: Solve for x
    x = 7,119,626,496,399,983/118,829,775.15
  6. Step 6: Final answer
    x = 59,914,499.44

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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.