Home / 140,518,845.36-193,916,053.52-76,943,205.52

Finding the Fourth Proportional to 140,518,845.36, 193,916,053.52 and 76,943,205.52

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Solution

The fourth proportional to 140,518,845.36, 193,916,053.52 and 76,943,205.52 is: 106,181,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,518,845.36 : 193,916,053.52 = 76,943,205.52 : x
  2. Step 2: Convert to fraction form
    140,518,845.36/193,916,053.52 = 76,943,205.52/x
  3. Step 3: Cross multiply
    140,518,845.36x = 193,916,053.52 × 76,943,205.52
  4. Step 4: Simplify right side
    140,518,845.36x = 14,920,522,759,035,710
  5. Step 5: Solve for x
    x = 14,920,522,759,035,710/140,518,845.36
  6. Step 6: Final answer
    x = 106,181,649.31

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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.