Home / 72,928,433.84-100,619,389.69-41,987,807.60

Finding the Fourth Proportional to 72,928,433.84, 100,619,389.69 and 41,987,807.60

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Solution

The fourth proportional to 72,928,433.84, 100,619,389.69 and 41,987,807.60 is: 57,930,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,928,433.84 : 100,619,389.69 = 41,987,807.60 : x
  2. Step 2: Convert to fraction form
    72,928,433.84/100,619,389.69 = 41,987,807.60/x
  3. Step 3: Cross multiply
    72,928,433.84x = 100,619,389.69 × 41,987,807.60
  4. Step 4: Simplify right side
    72,928,433.84x = 4,224,787,574,525,077
  5. Step 5: Solve for x
    x = 4,224,787,574,525,077/72,928,433.84
  6. Step 6: Final answer
    x = 57,930,595.14

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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.