Home / 216,752,218.71-299,118,217.86-117,632,940.46

Finding the Fourth Proportional to 216,752,218.71, 299,118,217.86 and 117,632,940.46

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Solution

The fourth proportional to 216,752,218.71, 299,118,217.86 and 117,632,940.46 is: 162,333,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,752,218.71 : 299,118,217.86 = 117,632,940.46 : x
  2. Step 2: Convert to fraction form
    216,752,218.71/299,118,217.86 = 117,632,940.46/x
  3. Step 3: Cross multiply
    216,752,218.71x = 299,118,217.86 × 117,632,940.46
  4. Step 4: Simplify right side
    216,752,218.71x = 35,186,155,512,026,688
  5. Step 5: Solve for x
    x = 35,186,155,512,026,688/216,752,218.71
  6. Step 6: Final answer
    x = 162,333,542.52

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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.