Home / 61,308,950.40-91,963,425.60-54,408,009.60

Finding the Fourth Proportional to 61,308,950.40, 91,963,425.60 and 54,408,009.60

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Solution

The fourth proportional to 61,308,950.40, 91,963,425.60 and 54,408,009.60 is: 81,612,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,308,950.40 : 91,963,425.60 = 54,408,009.60 : x
  2. Step 2: Convert to fraction form
    61,308,950.40/91,963,425.60 = 54,408,009.60/x
  3. Step 3: Cross multiply
    61,308,950.40x = 91,963,425.60 × 54,408,009.60
  4. Step 4: Simplify right side
    61,308,950.40x = 5,003,546,942,893,686
  5. Step 5: Solve for x
    x = 5,003,546,942,893,686/61,308,950.40
  6. Step 6: Final answer
    x = 81,612,014.40

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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.