Home / 103,435,755.95-142,742,334.07-57,027,674.27

Finding the Fourth Proportional to 103,435,755.95, 142,742,334.07 and 57,027,674.27

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Solution

The fourth proportional to 103,435,755.95, 142,742,334.07 and 57,027,674.27 is: 78,698,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,435,755.95 : 142,742,334.07 = 57,027,674.27 : x
  2. Step 2: Convert to fraction form
    103,435,755.95/142,742,334.07 = 57,027,674.27/x
  3. Step 3: Cross multiply
    103,435,755.95x = 142,742,334.07 × 57,027,674.27
  4. Step 4: Simplify right side
    103,435,755.95x = 8,140,263,332,311,623
  5. Step 5: Solve for x
    x = 8,140,263,332,311,623/103,435,755.95
  6. Step 6: Final answer
    x = 78,698,736.79

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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.