Home / 53,223,913.30-73,448,572.55-30,898,970.86

Finding the Fourth Proportional to 53,223,913.30, 73,448,572.55 and 30,898,970.86

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Solution

The fourth proportional to 53,223,913.30, 73,448,572.55 and 30,898,970.86 is: 42,640,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223,913.30 : 73,448,572.55 = 30,898,970.86 : x
  2. Step 2: Convert to fraction form
    53,223,913.30/73,448,572.55 = 30,898,970.86/x
  3. Step 3: Cross multiply
    53,223,913.30x = 73,448,572.55 × 30,898,970.86
  4. Step 4: Simplify right side
    53,223,913.30x = 2,269,485,302,409,308.50
  5. Step 5: Solve for x
    x = 2,269,485,302,409,308.50/53,223,913.30
  6. Step 6: Final answer
    x = 42,640,331.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.