Home / 153,155,736.36-211,432,963.50-118,270,112.04

Finding the Fourth Proportional to 153,155,736.36, 211,432,963.50 and 118,270,112.04

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Solution

The fourth proportional to 153,155,736.36, 211,432,963.50 and 118,270,112.04 is: 163,273,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,155,736.36 : 211,432,963.50 = 118,270,112.04 : x
  2. Step 2: Convert to fraction form
    153,155,736.36/211,432,963.50 = 118,270,112.04/x
  3. Step 3: Cross multiply
    153,155,736.36x = 211,432,963.50 × 118,270,112.04
  4. Step 4: Simplify right side
    153,155,736.36x = 25,006,200,282,094,232
  5. Step 5: Solve for x
    x = 25,006,200,282,094,232/153,155,736.36
  6. Step 6: Final answer
    x = 163,273,024.42

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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.