Home / 81,413,999.60-122,120,999.40-46,976,622.80

Finding the Fourth Proportional to 81,413,999.60, 122,120,999.40 and 46,976,622.80

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Solution

The fourth proportional to 81,413,999.60, 122,120,999.40 and 46,976,622.80 is: 70,464,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,413,999.60 : 122,120,999.40 = 46,976,622.80 : x
  2. Step 2: Convert to fraction form
    81,413,999.60/122,120,999.40 = 46,976,622.80/x
  3. Step 3: Cross multiply
    81,413,999.60x = 122,120,999.40 × 46,976,622.80
  4. Step 4: Simplify right side
    81,413,999.60x = 5,736,832,124,772,826
  5. Step 5: Solve for x
    x = 5,736,832,124,772,826/81,413,999.60
  6. Step 6: Final answer
    x = 70,464,934.20

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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.