Home / 53,724,871.60-80,415,846.60-42,387,463.60

Finding the Fourth Proportional to 53,724,871.60, 80,415,846.60 and 42,387,463.60

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Solution

The fourth proportional to 53,724,871.60, 80,415,846.60 and 42,387,463.60 is: 63,445,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,724,871.60 : 80,415,846.60 = 42,387,463.60 : x
  2. Step 2: Convert to fraction form
    53,724,871.60/80,415,846.60 = 42,387,463.60/x
  3. Step 3: Cross multiply
    53,724,871.60x = 80,415,846.60 × 42,387,463.60
  4. Step 4: Simplify right side
    53,724,871.60x = 3,408,623,770,620,683.50
  5. Step 5: Solve for x
    x = 3,408,623,770,620,683.50/53,724,871.60
  6. Step 6: Final answer
    x = 63,445,917.49

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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.