Home / 335,580,429.40-503,370,644.10-105,620,003.80

Finding the Fourth Proportional to 335,580,429.40, 503,370,644.10 and 105,620,003.80

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Solution

The fourth proportional to 335,580,429.40, 503,370,644.10 and 105,620,003.80 is: 158,430,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,580,429.40 : 503,370,644.10 = 105,620,003.80 : x
  2. Step 2: Convert to fraction form
    335,580,429.40/503,370,644.10 = 105,620,003.80/x
  3. Step 3: Cross multiply
    335,580,429.40x = 503,370,644.10 × 105,620,003.80
  4. Step 4: Simplify right side
    335,580,429.40x = 53,166,009,342,650,448
  5. Step 5: Solve for x
    x = 53,166,009,342,650,448/335,580,429.40
  6. Step 6: Final answer
    x = 158,430,005.70

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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.