Home / 64,045,840.98-96,074,667.29-20,915,270.40

Finding the Fourth Proportional to 64,045,840.98, 96,074,667.29 and 20,915,270.40

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Solution

The fourth proportional to 64,045,840.98, 96,074,667.29 and 20,915,270.40 is: 31,374,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045,840.98 : 96,074,667.29 = 20,915,270.40 : x
  2. Step 2: Convert to fraction form
    64,045,840.98/96,074,667.29 = 20,915,270.40/x
  3. Step 3: Cross multiply
    64,045,840.98x = 96,074,667.29 × 20,915,270.40
  4. Step 4: Simplify right side
    64,045,840.98x = 2,009,427,644,960,385.25
  5. Step 5: Solve for x
    x = 2,009,427,644,960,385.25/64,045,840.98
  6. Step 6: Final answer
    x = 31,374,834.25

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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.