Home / 155,337,495.80-214,370,893.04-84,776,969.79

Finding the Fourth Proportional to 155,337,495.80, 214,370,893.04 and 84,776,969.79

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Solution

The fourth proportional to 155,337,495.80, 214,370,893.04 and 84,776,969.79 is: 116,995,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,337,495.80 : 214,370,893.04 = 84,776,969.79 : x
  2. Step 2: Convert to fraction form
    155,337,495.80/214,370,893.04 = 84,776,969.79/x
  3. Step 3: Cross multiply
    155,337,495.80x = 214,370,893.04 × 84,776,969.79
  4. Step 4: Simplify right side
    155,337,495.80x = 18,173,714,722,683,516
  5. Step 5: Solve for x
    x = 18,173,714,722,683,516/155,337,495.80
  6. Step 6: Final answer
    x = 116,995,028.34

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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.