Home / 51,903,513.81-71,623,987.83-28,697,110.20

Finding the Fourth Proportional to 51,903,513.81, 71,623,987.83 and 28,697,110.20

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Solution

The fourth proportional to 51,903,513.81, 71,623,987.83 and 28,697,110.20 is: 39,600,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,903,513.81 : 71,623,987.83 = 28,697,110.20 : x
  2. Step 2: Convert to fraction form
    51,903,513.81/71,623,987.83 = 28,697,110.20/x
  3. Step 3: Cross multiply
    51,903,513.81x = 71,623,987.83 × 28,697,110.20
  4. Step 4: Simplify right side
    51,903,513.81x = 2,055,401,471,720,968.75
  5. Step 5: Solve for x
    x = 2,055,401,471,720,968.75/51,903,513.81
  6. Step 6: Final answer
    x = 39,600,430.12

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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.