Home / 79,189,623.60-118,784,435.40-69,615,812.40

Finding the Fourth Proportional to 79,189,623.60, 118,784,435.40 and 69,615,812.40

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Solution

The fourth proportional to 79,189,623.60, 118,784,435.40 and 69,615,812.40 is: 104,423,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,189,623.60 : 118,784,435.40 = 69,615,812.40 : x
  2. Step 2: Convert to fraction form
    79,189,623.60/118,784,435.40 = 69,615,812.40/x
  3. Step 3: Cross multiply
    79,189,623.60x = 118,784,435.40 × 69,615,812.40
  4. Step 4: Simplify right side
    79,189,623.60x = 8,269,274,970,846,320
  5. Step 5: Solve for x
    x = 8,269,274,970,846,320/79,189,623.60
  6. Step 6: Final answer
    x = 104,423,718.60

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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.