Home / 55,385,109.60-83,077,664.40-49,007,817.60

Finding the Fourth Proportional to 55,385,109.60, 83,077,664.40 and 49,007,817.60

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Solution

The fourth proportional to 55,385,109.60, 83,077,664.40 and 49,007,817.60 is: 73,511,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385,109.60 : 83,077,664.40 = 49,007,817.60 : x
  2. Step 2: Convert to fraction form
    55,385,109.60/83,077,664.40 = 49,007,817.60/x
  3. Step 3: Cross multiply
    55,385,109.60x = 83,077,664.40 × 49,007,817.60
  4. Step 4: Simplify right side
    55,385,109.60x = 4,071,455,023,549,214
  5. Step 5: Solve for x
    x = 4,071,455,023,549,214/55,385,109.60
  6. Step 6: Final answer
    x = 73,511,726.40

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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.