Home / 192,478,768.80-288,602,850.96-61,264,367.52

Finding the Fourth Proportional to 192,478,768.80, 288,602,850.96 and 61,264,367.52

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Solution

The fourth proportional to 192,478,768.80, 288,602,850.96 and 61,264,367.52 is: 91,859,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,478,768.80 : 288,602,850.96 = 61,264,367.52 : x
  2. Step 2: Convert to fraction form
    192,478,768.80/288,602,850.96 = 61,264,367.52/x
  3. Step 3: Cross multiply
    192,478,768.80x = 288,602,850.96 × 61,264,367.52
  4. Step 4: Simplify right side
    192,478,768.80x = 17,681,071,128,533,224
  5. Step 5: Solve for x
    x = 17,681,071,128,533,224/192,478,768.80
  6. Step 6: Final answer
    x = 91,859,851.55

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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.