Home / 145,152,004.80-217,728,007.20-117,942,225.60

Finding the Fourth Proportional to 145,152,004.80, 217,728,007.20 and 117,942,225.60

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Solution

The fourth proportional to 145,152,004.80, 217,728,007.20 and 117,942,225.60 is: 176,913,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,004.80 : 217,728,007.20 = 117,942,225.60 : x
  2. Step 2: Convert to fraction form
    145,152,004.80/217,728,007.20 = 117,942,225.60/x
  3. Step 3: Cross multiply
    145,152,004.80x = 217,728,007.20 × 117,942,225.60
  4. Step 4: Simplify right side
    145,152,004.80x = 25,679,325,744,620,820
  5. Step 5: Solve for x
    x = 25,679,325,744,620,820/145,152,004.80
  6. Step 6: Final answer
    x = 176,913,338.40

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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.