Home / 74,732,979.60-112,099,469.40-59,616,435.60

Finding the Fourth Proportional to 74,732,979.60, 112,099,469.40 and 59,616,435.60

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Solution

The fourth proportional to 74,732,979.60, 112,099,469.40 and 59,616,435.60 is: 89,424,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,732,979.60 : 112,099,469.40 = 59,616,435.60 : x
  2. Step 2: Convert to fraction form
    74,732,979.60/112,099,469.40 = 59,616,435.60/x
  3. Step 3: Cross multiply
    74,732,979.60x = 112,099,469.40 × 59,616,435.60
  4. Step 4: Simplify right side
    74,732,979.60x = 6,682,970,798,279,271
  5. Step 5: Solve for x
    x = 6,682,970,798,279,271/74,732,979.60
  6. Step 6: Final answer
    x = 89,424,653.40

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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.