Home / 86,120,642.60-118,849,356.77-46,964,561.79

Finding the Fourth Proportional to 86,120,642.60, 118,849,356.77 and 46,964,561.79

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Solution

The fourth proportional to 86,120,642.60, 118,849,356.77 and 46,964,561.79 is: 64,812,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,120,642.60 : 118,849,356.77 = 46,964,561.79 : x
  2. Step 2: Convert to fraction form
    86,120,642.60/118,849,356.77 = 46,964,561.79/x
  3. Step 3: Cross multiply
    86,120,642.60x = 118,849,356.77 × 46,964,561.79
  4. Step 4: Simplify right side
    86,120,642.60x = 5,581,707,959,491,597
  5. Step 5: Solve for x
    x = 5,581,707,959,491,597/86,120,642.60
  6. Step 6: Final answer
    x = 64,812,660.37

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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.