Home / 78,528,090.30-117,792,135.45-24,675,315.90

Finding the Fourth Proportional to 78,528,090.30, 117,792,135.45 and 24,675,315.90

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Solution

The fourth proportional to 78,528,090.30, 117,792,135.45 and 24,675,315.90 is: 37,012,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,528,090.30 : 117,792,135.45 = 24,675,315.90 : x
  2. Step 2: Convert to fraction form
    78,528,090.30/117,792,135.45 = 24,675,315.90/x
  3. Step 3: Cross multiply
    78,528,090.30x = 117,792,135.45 × 24,675,315.90
  4. Step 4: Simplify right side
    78,528,090.30x = 2,906,558,152,764,338.50
  5. Step 5: Solve for x
    x = 2,906,558,152,764,338.50/78,528,090.30
  6. Step 6: Final answer
    x = 37,012,973.85

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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.