Home / 122,495,863.90-183,776,272.80-53,379,009.40

Finding the Fourth Proportional to 122,495,863.90, 183,776,272.80 and 53,379,009.40

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Solution

The fourth proportional to 122,495,863.90, 183,776,272.80 and 53,379,009.40 is: 80,082,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,495,863.90 : 183,776,272.80 = 53,379,009.40 : x
  2. Step 2: Convert to fraction form
    122,495,863.90/183,776,272.80 = 53,379,009.40/x
  3. Step 3: Cross multiply
    122,495,863.90x = 183,776,272.80 × 53,379,009.40
  4. Step 4: Simplify right side
    122,495,863.90x = 9,809,795,393,288,164
  5. Step 5: Solve for x
    x = 9,809,795,393,288,164/122,495,863.90
  6. Step 6: Final answer
    x = 80,082,666.31

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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.