Home / 64,045,782.48-96,074,579.54-20,915,211.90

Finding the Fourth Proportional to 64,045,782.48, 96,074,579.54 and 20,915,211.90

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Solution

The fourth proportional to 64,045,782.48, 96,074,579.54 and 20,915,211.90 is: 31,374,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045,782.48 : 96,074,579.54 = 20,915,211.90 : x
  2. Step 2: Convert to fraction form
    64,045,782.48/96,074,579.54 = 20,915,211.90/x
  3. Step 3: Cross multiply
    64,045,782.48x = 96,074,579.54 × 20,915,211.90
  4. Step 4: Simplify right side
    64,045,782.48x = 2,009,420,189,282,504.50
  5. Step 5: Solve for x
    x = 2,009,420,189,282,504.50/64,045,782.48
  6. Step 6: Final answer
    x = 31,374,746.49

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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.