Home / 65,452,369.11-98,157,187.89-21,721,381.98

Finding the Fourth Proportional to 65,452,369.11, 98,157,187.89 and 21,721,381.98

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Solution

The fourth proportional to 65,452,369.11, 98,157,187.89 and 21,721,381.98 is: 32,574,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,452,369.11 : 98,157,187.89 = 21,721,381.98 : x
  2. Step 2: Convert to fraction form
    65,452,369.11/98,157,187.89 = 21,721,381.98/x
  3. Step 3: Cross multiply
    65,452,369.11x = 98,157,187.89 × 21,721,381.98
  4. Step 4: Simplify right side
    65,452,369.11x = 2,132,109,772,241,320.25
  5. Step 5: Solve for x
    x = 2,132,109,772,241,320.25/65,452,369.11
  6. Step 6: Final answer
    x = 32,574,982.41

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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.