Home / 229,516,159.68-316,743,505.38-129,076,201.80

Finding the Fourth Proportional to 229,516,159.68, 316,743,505.38 and 129,076,201.80

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Solution

The fourth proportional to 229,516,159.68, 316,743,505.38 and 129,076,201.80 is: 178,131,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,516,159.68 : 316,743,505.38 = 129,076,201.80 : x
  2. Step 2: Convert to fraction form
    229,516,159.68/316,743,505.38 = 129,076,201.80/x
  3. Step 3: Cross multiply
    229,516,159.68x = 316,743,505.38 × 129,076,201.80
  4. Step 4: Simplify right side
    229,516,159.68x = 40,884,048,619,268,264
  5. Step 5: Solve for x
    x = 40,884,048,619,268,264/229,516,159.68
  6. Step 6: Final answer
    x = 178,131,460.01

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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.