Home / 201,632,960.10-302,449,440.15-139,215,214.65

Finding the Fourth Proportional to 201,632,960.10, 302,449,440.15 and 139,215,214.65

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Solution

The fourth proportional to 201,632,960.10, 302,449,440.15 and 139,215,214.65 is: 208,822,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,632,960.10 : 302,449,440.15 = 139,215,214.65 : x
  2. Step 2: Convert to fraction form
    201,632,960.10/302,449,440.15 = 139,215,214.65/x
  3. Step 3: Cross multiply
    201,632,960.10x = 302,449,440.15 × 139,215,214.65
  4. Step 4: Simplify right side
    201,632,960.10x = 42,105,563,731,254,576
  5. Step 5: Solve for x
    x = 42,105,563,731,254,576/201,632,960.10
  6. Step 6: Final answer
    x = 208,822,821.98

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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.