Home / 39,139,320.80-58,708,981.20-35,612,127.20

Finding the Fourth Proportional to 39,139,320.80, 58,708,981.20 and 35,612,127.20

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Solution

The fourth proportional to 39,139,320.80, 58,708,981.20 and 35,612,127.20 is: 53,418,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139,320.80 : 58,708,981.20 = 35,612,127.20 : x
  2. Step 2: Convert to fraction form
    39,139,320.80/58,708,981.20 = 35,612,127.20/x
  3. Step 3: Cross multiply
    39,139,320.80x = 58,708,981.20 × 35,612,127.20
  4. Step 4: Simplify right side
    39,139,320.80x = 2,090,751,706,276,809
  5. Step 5: Solve for x
    x = 2,090,751,706,276,809/39,139,320.80
  6. Step 6: Final answer
    x = 53,418,190.80

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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.