Home / 78,877,050.68-118,317,986.38-27,060,926.50

Finding the Fourth Proportional to 78,877,050.68, 118,317,986.38 and 27,060,926.50

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Solution

The fourth proportional to 78,877,050.68, 118,317,986.38 and 27,060,926.50 is: 40,592,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,877,050.68 : 118,317,986.38 = 27,060,926.50 : x
  2. Step 2: Convert to fraction form
    78,877,050.68/118,317,986.38 = 27,060,926.50/x
  3. Step 3: Cross multiply
    78,877,050.68x = 118,317,986.38 × 27,060,926.50
  4. Step 4: Simplify right side
    78,877,050.68x = 3,201,794,333,057,181
  5. Step 5: Solve for x
    x = 3,201,794,333,057,181/78,877,050.68
  6. Step 6: Final answer
    x = 40,592,216.69

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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.