Home / 348,091,947.90-480,367,133.37-191,470,969.98

Finding the Fourth Proportional to 348,091,947.90, 480,367,133.37 and 191,470,969.98

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Solution

The fourth proportional to 348,091,947.90, 480,367,133.37 and 191,470,969.98 is: 264,230,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,091,947.90 : 480,367,133.37 = 191,470,969.98 : x
  2. Step 2: Convert to fraction form
    348,091,947.90/480,367,133.37 = 191,470,969.98/x
  3. Step 3: Cross multiply
    348,091,947.90x = 480,367,133.37 × 191,470,969.98
  4. Step 4: Simplify right side
    348,091,947.90x = 91,976,360,972,865,920
  5. Step 5: Solve for x
    x = 91,976,360,972,865,920/348,091,947.90
  6. Step 6: Final answer
    x = 264,230,073.48

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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.