Home / 317,741,723.76-438,472,395.15-174,686,445.31

Finding the Fourth Proportional to 317,741,723.76, 438,472,395.15 and 174,686,445.31

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Solution

The fourth proportional to 317,741,723.76, 438,472,395.15 and 174,686,445.31 is: 241,061,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,741,723.76 : 438,472,395.15 = 174,686,445.31 : x
  2. Step 2: Convert to fraction form
    317,741,723.76/438,472,395.15 = 174,686,445.31/x
  3. Step 3: Cross multiply
    317,741,723.76x = 438,472,395.15 × 174,686,445.31
  4. Step 4: Simplify right side
    317,741,723.76x = 76,595,184,076,109,616
  5. Step 5: Solve for x
    x = 76,595,184,076,109,616/317,741,723.76
  6. Step 6: Final answer
    x = 241,061,146.05

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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.