Home / 72,001,459.53-99,362,277.50-38,961,708.90

Finding the Fourth Proportional to 72,001,459.53, 99,362,277.50 and 38,961,708.90

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Solution

The fourth proportional to 72,001,459.53, 99,362,277.50 and 38,961,708.90 is: 53,767,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,001,459.53 : 99,362,277.50 = 38,961,708.90 : x
  2. Step 2: Convert to fraction form
    72,001,459.53/99,362,277.50 = 38,961,708.90/x
  3. Step 3: Cross multiply
    72,001,459.53x = 99,362,277.50 × 38,961,708.90
  4. Step 4: Simplify right side
    72,001,459.53x = 3,871,324,131,401,211
  5. Step 5: Solve for x
    x = 3,871,324,131,401,211/72,001,459.53
  6. Step 6: Final answer
    x = 53,767,300.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.