Home / 80,970,896.55-121,358,762.92-37,191,242.13

Finding the Fourth Proportional to 80,970,896.55, 121,358,762.92 and 37,191,242.13

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Solution

The fourth proportional to 80,970,896.55, 121,358,762.92 and 37,191,242.13 is: 55,742,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,970,896.55 : 121,358,762.92 = 37,191,242.13 : x
  2. Step 2: Convert to fraction form
    80,970,896.55/121,358,762.92 = 37,191,242.13/x
  3. Step 3: Cross multiply
    80,970,896.55x = 121,358,762.92 × 37,191,242.13
  4. Step 4: Simplify right side
    80,970,896.55x = 4,513,483,136,354,986
  5. Step 5: Solve for x
    x = 4,513,483,136,354,986/80,970,896.55
  6. Step 6: Final answer
    x = 55,742,042.25

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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.