Home / 216,752,217.71-299,118,216.48-117,632,939.46

Finding the Fourth Proportional to 216,752,217.71, 299,118,216.48 and 117,632,939.46

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Solution

The fourth proportional to 216,752,217.71, 299,118,216.48 and 117,632,939.46 is: 162,333,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,752,217.71 : 299,118,216.48 = 117,632,939.46 : x
  2. Step 2: Convert to fraction form
    216,752,217.71/299,118,216.48 = 117,632,939.46/x
  3. Step 3: Cross multiply
    216,752,217.71x = 299,118,216.48 × 117,632,939.46
  4. Step 4: Simplify right side
    216,752,217.71x = 35,186,155,050,575,016
  5. Step 5: Solve for x
    x = 35,186,155,050,575,016/216,752,217.71
  6. Step 6: Final answer
    x = 162,333,541.14

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1.5x scale

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.