Home / 198,450,782.79-297,656,776.80-60,277,589.46

Finding the Fourth Proportional to 198,450,782.79, 297,656,776.80 and 60,277,589.46

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Solution

The fourth proportional to 198,450,782.79, 297,656,776.80 and 60,277,589.46 is: 90,410,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,450,782.79 : 297,656,776.80 = 60,277,589.46 : x
  2. Step 2: Convert to fraction form
    198,450,782.79/297,656,776.80 = 60,277,589.46/x
  3. Step 3: Cross multiply
    198,450,782.79x = 297,656,776.80 × 60,277,589.46
  4. Step 4: Simplify right side
    198,450,782.79x = 17,942,032,991,937,254
  5. Step 5: Solve for x
    x = 17,942,032,991,937,254/198,450,782.79
  6. Step 6: Final answer
    x = 90,410,492.41

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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.