Home / 131,464,566.80-181,364,074.80-79,223,916.32

Finding the Fourth Proportional to 131,464,566.80, 181,364,074.80 and 79,223,916.32

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Solution

The fourth proportional to 131,464,566.80, 181,364,074.80 and 79,223,916.32 is: 109,294,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,464,566.80 : 181,364,074.80 = 79,223,916.32 : x
  2. Step 2: Convert to fraction form
    131,464,566.80/181,364,074.80 = 79,223,916.32/x
  3. Step 3: Cross multiply
    131,464,566.80x = 181,364,074.80 × 79,223,916.32
  4. Step 4: Simplify right side
    131,464,566.80x = 14,368,372,285,409,420
  5. Step 5: Solve for x
    x = 14,368,372,285,409,420/131,464,566.80
  6. Step 6: Final answer
    x = 109,294,638.36

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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.