Home / 77,773,040.39-116,643,724.99-28,571,983.34

Finding the Fourth Proportional to 77,773,040.39, 116,643,724.99 and 28,571,983.34

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Solution

The fourth proportional to 77,773,040.39, 116,643,724.99 and 28,571,983.34 is: 42,852,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,773,040.39 : 116,643,724.99 = 28,571,983.34 : x
  2. Step 2: Convert to fraction form
    77,773,040.39/116,643,724.99 = 28,571,983.34/x
  3. Step 3: Cross multiply
    77,773,040.39x = 116,643,724.99 × 28,571,983.34
  4. Step 4: Simplify right side
    77,773,040.39x = 3,332,742,566,475,173
  5. Step 5: Solve for x
    x = 3,332,742,566,475,173/77,773,040.39
  6. Step 6: Final answer
    x = 42,852,157.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.