Home / 55,333,885.20-83,000,827.80-39,178,078.80

Finding the Fourth Proportional to 55,333,885.20, 83,000,827.80 and 39,178,078.80

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Solution

The fourth proportional to 55,333,885.20, 83,000,827.80 and 39,178,078.80 is: 58,767,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,333,885.20 : 83,000,827.80 = 39,178,078.80 : x
  2. Step 2: Convert to fraction form
    55,333,885.20/83,000,827.80 = 39,178,078.80/x
  3. Step 3: Cross multiply
    55,333,885.20x = 83,000,827.80 × 39,178,078.80
  4. Step 4: Simplify right side
    55,333,885.20x = 3,251,812,972,013,630.50
  5. Step 5: Solve for x
    x = 3,251,812,972,013,630.50/55,333,885.20
  6. Step 6: Final answer
    x = 58,767,118.20

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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.