Home / 48,871,542.58-73,307,381.91-20,820,774.40

Finding the Fourth Proportional to 48,871,542.58, 73,307,381.91 and 20,820,774.40

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Solution

The fourth proportional to 48,871,542.58, 73,307,381.91 and 20,820,774.40 is: 31,231,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,871,542.58 : 73,307,381.91 = 20,820,774.40 : x
  2. Step 2: Convert to fraction form
    48,871,542.58/73,307,381.91 = 20,820,774.40/x
  3. Step 3: Cross multiply
    48,871,542.58x = 73,307,381.91 × 20,820,774.40
  4. Step 4: Simplify right side
    48,871,542.58x = 1,526,316,460,602,751
  5. Step 5: Solve for x
    x = 1,526,316,460,602,751/48,871,542.58
  6. Step 6: Final answer
    x = 31,231,190.59

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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.