Home / 55,012,164.40-82,518,246.60-49,272,601.60

Finding the Fourth Proportional to 55,012,164.40, 82,518,246.60 and 49,272,601.60

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Solution

The fourth proportional to 55,012,164.40, 82,518,246.60 and 49,272,601.60 is: 73,908,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012,164.40 : 82,518,246.60 = 49,272,601.60 : x
  2. Step 2: Convert to fraction form
    55,012,164.40/82,518,246.60 = 49,272,601.60/x
  3. Step 3: Cross multiply
    55,012,164.40x = 82,518,246.60 × 49,272,601.60
  4. Step 4: Simplify right side
    55,012,164.40x = 4,065,888,689,452,354.50
  5. Step 5: Solve for x
    x = 4,065,888,689,452,354.50/55,012,164.40
  6. Step 6: Final answer
    x = 73,908,902.40

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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.