Home / 103,590,498.36-142,954,866.06-57,180,740.28

Finding the Fourth Proportional to 103,590,498.36, 142,954,866.06 and 57,180,740.28

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Solution

The fourth proportional to 103,590,498.36, 142,954,866.06 and 57,180,740.28 is: 78,909,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,590,498.36 : 142,954,866.06 = 57,180,740.28 : x
  2. Step 2: Convert to fraction form
    103,590,498.36/142,954,866.06 = 57,180,740.28/x
  3. Step 3: Cross multiply
    103,590,498.36x = 142,954,866.06 × 57,180,740.28
  4. Step 4: Simplify right side
    103,590,498.36x = 8,174,265,067,939,047
  5. Step 5: Solve for x
    x = 8,174,265,067,939,047/103,590,498.36
  6. Step 6: Final answer
    x = 78,909,409.62

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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.