Home / 76,998,411.60-115,497,617.40-49,788,632.40

Finding the Fourth Proportional to 76,998,411.60, 115,497,617.40 and 49,788,632.40

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Solution

The fourth proportional to 76,998,411.60, 115,497,617.40 and 49,788,632.40 is: 74,682,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,998,411.60 : 115,497,617.40 = 49,788,632.40 : x
  2. Step 2: Convert to fraction form
    76,998,411.60/115,497,617.40 = 49,788,632.40/x
  3. Step 3: Cross multiply
    76,998,411.60x = 115,497,617.40 × 49,788,632.40
  4. Step 4: Simplify right side
    76,998,411.60x = 5,750,468,415,804,444
  5. Step 5: Solve for x
    x = 5,750,468,415,804,444/76,998,411.60
  6. Step 6: Final answer
    x = 74,682,948.60

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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.