Home / 192,478,849.32-288,602,969.40-61,264,443.18

Finding the Fourth Proportional to 192,478,849.32, 288,602,969.40 and 61,264,443.18

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Solution

The fourth proportional to 192,478,849.32, 288,602,969.40 and 61,264,443.18 is: 91,859,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,478,849.32 : 288,602,969.40 = 61,264,443.18 : x
  2. Step 2: Convert to fraction form
    192,478,849.32/288,602,969.40 = 61,264,443.18/x
  3. Step 3: Cross multiply
    192,478,849.32x = 288,602,969.40 × 61,264,443.18
  4. Step 4: Simplify right side
    192,478,849.32x = 17,681,100,220,385,578
  5. Step 5: Solve for x
    x = 17,681,100,220,385,578/192,478,849.32
  6. Step 6: Final answer
    x = 91,859,964.27

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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.