Home / 40,885,636.80-61,328,455.20-30,681,969.60

Finding the Fourth Proportional to 40,885,636.80, 61,328,455.20 and 30,681,969.60

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Solution

The fourth proportional to 40,885,636.80, 61,328,455.20 and 30,681,969.60 is: 46,022,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,885,636.80 : 61,328,455.20 = 30,681,969.60 : x
  2. Step 2: Convert to fraction form
    40,885,636.80/61,328,455.20 = 30,681,969.60/x
  3. Step 3: Cross multiply
    40,885,636.80x = 61,328,455.20 × 30,681,969.60
  4. Step 4: Simplify right side
    40,885,636.80x = 1,881,677,798,061,362
  5. Step 5: Solve for x
    x = 1,881,677,798,061,362/40,885,636.80
  6. Step 6: Final answer
    x = 46,022,954.40

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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.