Home / 216,865,040-299,275,854.72-119,081,995.52

Finding the Fourth Proportional to 216,865,040, 299,275,854.72 and 119,081,995.52

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Solution

The fourth proportional to 216,865,040, 299,275,854.72 and 119,081,995.52 is: 164,334,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,865,040 : 299,275,854.72 = 119,081,995.52 : x
  2. Step 2: Convert to fraction form
    216,865,040/299,275,854.72 = 119,081,995.52/x
  3. Step 3: Cross multiply
    216,865,040x = 299,275,854.72 × 119,081,995.52
  4. Step 4: Simplify right side
    216,865,040x = 35,638,365,991,011,212
  5. Step 5: Solve for x
    x = 35,638,365,991,011,212/216,865,040
  6. Step 6: Final answer
    x = 164,334,306.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.