Home / 190,651,860.30-285,977,790.45-52,477,200.30

Finding the Fourth Proportional to 190,651,860.30, 285,977,790.45 and 52,477,200.30

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Solution

The fourth proportional to 190,651,860.30, 285,977,790.45 and 52,477,200.30 is: 78,715,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,651,860.30 : 285,977,790.45 = 52,477,200.30 : x
  2. Step 2: Convert to fraction form
    190,651,860.30/285,977,790.45 = 52,477,200.30/x
  3. Step 3: Cross multiply
    190,651,860.30x = 285,977,790.45 × 52,477,200.30
  4. Step 4: Simplify right side
    190,651,860.30x = 15,007,313,790,796,076
  5. Step 5: Solve for x
    x = 15,007,313,790,796,076/190,651,860.30
  6. Step 6: Final answer
    x = 78,715,800.45

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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.