Home / 109,164,048.20-163,746,072.30-100,235,839.40

Finding the Fourth Proportional to 109,164,048.20, 163,746,072.30 and 100,235,839.40

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Solution

The fourth proportional to 109,164,048.20, 163,746,072.30 and 100,235,839.40 is: 150,353,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,164,048.20 : 163,746,072.30 = 100,235,839.40 : x
  2. Step 2: Convert to fraction form
    109,164,048.20/163,746,072.30 = 100,235,839.40/x
  3. Step 3: Cross multiply
    109,164,048.20x = 163,746,072.30 × 100,235,839.40
  4. Step 4: Simplify right side
    109,164,048.20x = 16,413,225,005,443,590
  5. Step 5: Solve for x
    x = 16,413,225,005,443,590/109,164,048.20
  6. Step 6: Final answer
    x = 150,353,759.10

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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.