Home / 153,573,095.26-211,931,620.73-83,958,479.56

Finding the Fourth Proportional to 153,573,095.26, 211,931,620.73 and 83,958,479.56

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Solution

The fourth proportional to 153,573,095.26, 211,931,620.73 and 83,958,479.56 is: 115,863,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,573,095.26 : 211,931,620.73 = 83,958,479.56 : x
  2. Step 2: Convert to fraction form
    153,573,095.26/211,931,620.73 = 83,958,479.56/x
  3. Step 3: Cross multiply
    153,573,095.26x = 211,931,620.73 × 83,958,479.56
  4. Step 4: Simplify right side
    153,573,095.26x = 17,793,456,647,177,376
  5. Step 5: Solve for x
    x = 17,793,456,647,177,376/153,573,095.26
  6. Step 6: Final answer
    x = 115,863,111.42

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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.