Home / 321,926,574.12-444,143,457.54-216,106,065.96

Finding the Fourth Proportional to 321,926,574.12, 444,143,457.54 and 216,106,065.96

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Solution

The fourth proportional to 321,926,574.12, 444,143,457.54 and 216,106,065.96 is: 298,149,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,926,574.12 : 444,143,457.54 = 216,106,065.96 : x
  2. Step 2: Convert to fraction form
    321,926,574.12/444,143,457.54 = 216,106,065.96/x
  3. Step 3: Cross multiply
    321,926,574.12x = 444,143,457.54 × 216,106,065.96
  4. Step 4: Simplify right side
    321,926,574.12x = 95,982,095,330,841,712
  5. Step 5: Solve for x
    x = 95,982,095,330,841,712/321,926,574.12
  6. Step 6: Final answer
    x = 298,149,028.53

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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.