Home / 72,169,761.36-99,598,805.64-39,574,713.36

Finding the Fourth Proportional to 72,169,761.36, 99,598,805.64 and 39,574,713.36

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Solution

The fourth proportional to 72,169,761.36, 99,598,805.64 and 39,574,713.36 is: 54,615,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,169,761.36 : 99,598,805.64 = 39,574,713.36 : x
  2. Step 2: Convert to fraction form
    72,169,761.36/99,598,805.64 = 39,574,713.36/x
  3. Step 3: Cross multiply
    72,169,761.36x = 99,598,805.64 × 39,574,713.36
  4. Step 4: Simplify right side
    72,169,761.36x = 3,941,594,184,201,351.50
  5. Step 5: Solve for x
    x = 3,941,594,184,201,351.50/72,169,761.36
  6. Step 6: Final answer
    x = 54,615,591.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.