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Finding the Fourth Proportional to 163,296,245.70, 244,944,368.55 and 146,668,047.30

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Solution

The fourth proportional to 163,296,245.70, 244,944,368.55 and 146,668,047.30 is: 220,002,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,296,245.70 : 244,944,368.55 = 146,668,047.30 : x
  2. Step 2: Convert to fraction form
    163,296,245.70/244,944,368.55 = 146,668,047.30/x
  3. Step 3: Cross multiply
    163,296,245.70x = 244,944,368.55 × 146,668,047.30
  4. Step 4: Simplify right side
    163,296,245.70x = 35,925,512,232,360,036
  5. Step 5: Solve for x
    x = 35,925,512,232,360,036/163,296,245.70
  6. Step 6: Final answer
    x = 220,002,070.95

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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.