Home / 164,490,631.20-246,735,946.80-163,356,890.40

Finding the Fourth Proportional to 164,490,631.20, 246,735,946.80 and 163,356,890.40

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Solution

The fourth proportional to 164,490,631.20, 246,735,946.80 and 163,356,890.40 is: 245,035,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,490,631.20 : 246,735,946.80 = 163,356,890.40 : x
  2. Step 2: Convert to fraction form
    164,490,631.20/246,735,946.80 = 163,356,890.40/x
  3. Step 3: Cross multiply
    164,490,631.20x = 246,735,946.80 × 163,356,890.40
  4. Step 4: Simplify right side
    164,490,631.20x = 40,306,017,019,147,832
  5. Step 5: Solve for x
    x = 40,306,017,019,147,832/164,490,631.20
  6. Step 6: Final answer
    x = 245,035,335.60

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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.