Home / 118,562,561.40-163,612,820.62-65,641,627.64

Finding the Fourth Proportional to 118,562,561.40, 163,612,820.62 and 65,641,627.64

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Solution

The fourth proportional to 118,562,561.40, 163,612,820.62 and 65,641,627.64 is: 90,583,500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,562,561.40 : 163,612,820.62 = 65,641,627.64 : x
  2. Step 2: Convert to fraction form
    118,562,561.40/163,612,820.62 = 65,641,627.64/x
  3. Step 3: Cross multiply
    118,562,561.40x = 163,612,820.62 × 65,641,627.64
  4. Step 4: Simplify right side
    118,562,561.40x = 10,739,811,848,268,154
  5. Step 5: Solve for x
    x = 10,739,811,848,268,154/118,562,561.40
  6. Step 6: Final answer
    x = 90,583,500.57

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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.