Home / 201,470,394.30-302,330,007.45-80,289,210.30

Finding the Fourth Proportional to 201,470,394.30, 302,330,007.45 and 80,289,210.30

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Solution

The fourth proportional to 201,470,394.30, 302,330,007.45 and 80,289,210.30 is: 120,483,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,470,394.30 : 302,330,007.45 = 80,289,210.30 : x
  2. Step 2: Convert to fraction form
    201,470,394.30/302,330,007.45 = 80,289,210.30/x
  3. Step 3: Cross multiply
    201,470,394.30x = 302,330,007.45 × 80,289,210.30
  4. Step 4: Simplify right side
    201,470,394.30x = 24,273,837,548,153,616
  5. Step 5: Solve for x
    x = 24,273,837,548,153,616/201,470,394.30
  6. Step 6: Final answer
    x = 120,483,397.24

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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.