Home / 64,045,842.49-96,074,669.54-20,915,271.91

Finding the Fourth Proportional to 64,045,842.49, 96,074,669.54 and 20,915,271.91

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Solution

The fourth proportional to 64,045,842.49, 96,074,669.54 and 20,915,271.91 is: 31,374,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045,842.49 : 96,074,669.54 = 20,915,271.91 : x
  2. Step 2: Convert to fraction form
    64,045,842.49/96,074,669.54 = 20,915,271.91/x
  3. Step 3: Cross multiply
    64,045,842.49x = 96,074,669.54 × 20,915,271.91
  4. Step 4: Simplify right side
    64,045,842.49x = 2,009,427,837,092,494.75
  5. Step 5: Solve for x
    x = 2,009,427,837,092,494.75/64,045,842.49
  6. Step 6: Final answer
    x = 31,374,836.51

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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.