Home / 55,090,975.60-82,636,463.40-18,740,411.20

Finding the Fourth Proportional to 55,090,975.60, 82,636,463.40 and 18,740,411.20

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Solution

The fourth proportional to 55,090,975.60, 82,636,463.40 and 18,740,411.20 is: 28,110,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,090,975.60 : 82,636,463.40 = 18,740,411.20 : x
  2. Step 2: Convert to fraction form
    55,090,975.60/82,636,463.40 = 18,740,411.20/x
  3. Step 3: Cross multiply
    55,090,975.60x = 82,636,463.40 × 18,740,411.20
  4. Step 4: Simplify right side
    55,090,975.60x = 1,548,641,304,229,750.25
  5. Step 5: Solve for x
    x = 1,548,641,304,229,750.25/55,090,975.60
  6. Step 6: Final answer
    x = 28,110,616.80

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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.