Home / 78,308,176.40-117,462,264.60-32,958,544.40

Finding the Fourth Proportional to 78,308,176.40, 117,462,264.60 and 32,958,544.40

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Solution

The fourth proportional to 78,308,176.40, 117,462,264.60 and 32,958,544.40 is: 49,437,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,308,176.40 : 117,462,264.60 = 32,958,544.40 : x
  2. Step 2: Convert to fraction form
    78,308,176.40/117,462,264.60 = 32,958,544.40/x
  3. Step 3: Cross multiply
    78,308,176.40x = 117,462,264.60 × 32,958,544.40
  4. Step 4: Simplify right side
    78,308,176.40x = 3,871,385,263,143,648
  5. Step 5: Solve for x
    x = 3,871,385,263,143,648/78,308,176.40
  6. Step 6: Final answer
    x = 49,437,816.60

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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.