Home / 71,130,309.94-98,158,550.52-40,189,814.92

Finding the Fourth Proportional to 71,130,309.94, 98,158,550.52 and 40,189,814.92

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Solution

The fourth proportional to 71,130,309.94, 98,158,550.52 and 40,189,814.92 is: 55,461,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,130,309.94 : 98,158,550.52 = 40,189,814.92 : x
  2. Step 2: Convert to fraction form
    71,130,309.94/98,158,550.52 = 40,189,814.92/x
  3. Step 3: Cross multiply
    71,130,309.94x = 98,158,550.52 × 40,189,814.92
  4. Step 4: Simplify right side
    71,130,309.94x = 3,944,973,978,214,270
  5. Step 5: Solve for x
    x = 3,944,973,978,214,270/71,130,309.94
  6. Step 6: Final answer
    x = 55,461,222.95

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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.