Home / 143,103,482.54-197,487,664.36-80,390,647.34

Finding the Fourth Proportional to 143,103,482.54, 197,487,664.36 and 80,390,647.34

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Solution

The fourth proportional to 143,103,482.54, 197,487,664.36 and 80,390,647.34 is: 110,941,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,103,482.54 : 197,487,664.36 = 80,390,647.34 : x
  2. Step 2: Convert to fraction form
    143,103,482.54/197,487,664.36 = 80,390,647.34/x
  3. Step 3: Cross multiply
    143,103,482.54x = 197,487,664.36 × 80,390,647.34
  4. Step 4: Simplify right side
    143,103,482.54x = 15,876,161,179,565,048
  5. Step 5: Solve for x
    x = 15,876,161,179,565,048/143,103,482.54
  6. Step 6: Final answer
    x = 110,941,822.64

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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.