Home / 117,504,032.40-176,256,048.60-81,224,326.80

Finding the Fourth Proportional to 117,504,032.40, 176,256,048.60 and 81,224,326.80

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Solution

The fourth proportional to 117,504,032.40, 176,256,048.60 and 81,224,326.80 is: 121,836,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,504,032.40 : 176,256,048.60 = 81,224,326.80 : x
  2. Step 2: Convert to fraction form
    117,504,032.40/176,256,048.60 = 81,224,326.80/x
  3. Step 3: Cross multiply
    117,504,032.40x = 176,256,048.60 × 81,224,326.80
  4. Step 4: Simplify right side
    117,504,032.40x = 14,316,278,891,963,082
  5. Step 5: Solve for x
    x = 14,316,278,891,963,082/117,504,032.40
  6. Step 6: Final answer
    x = 121,836,490.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.