Home / 100,980,893.04-139,359,877.38-55,717,417.16

Finding the Fourth Proportional to 100,980,893.04, 139,359,877.38 and 55,717,417.16

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Solution

The fourth proportional to 100,980,893.04, 139,359,877.38 and 55,717,417.16 is: 76,893,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,980,893.04 : 139,359,877.38 = 55,717,417.16 : x
  2. Step 2: Convert to fraction form
    100,980,893.04/139,359,877.38 = 55,717,417.16/x
  3. Step 3: Cross multiply
    100,980,893.04x = 139,359,877.38 × 55,717,417.16
  4. Step 4: Simplify right side
    100,980,893.04x = 7,764,772,422,651,108
  5. Step 5: Solve for x
    x = 7,764,772,422,651,108/100,980,893.04
  6. Step 6: Final answer
    x = 76,893,481.42

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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.