Home / 109,164,055.20-163,746,082.80-100,235,846.40

Finding the Fourth Proportional to 109,164,055.20, 163,746,082.80 and 100,235,846.40

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Solution

The fourth proportional to 109,164,055.20, 163,746,082.80 and 100,235,846.40 is: 150,353,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,164,055.20 : 163,746,082.80 = 100,235,846.40 : x
  2. Step 2: Convert to fraction form
    109,164,055.20/163,746,082.80 = 100,235,846.40/x
  3. Step 3: Cross multiply
    109,164,055.20x = 163,746,082.80 × 100,235,846.40
  4. Step 4: Simplify right side
    109,164,055.20x = 16,413,227,204,142,484
  5. Step 5: Solve for x
    x = 16,413,227,204,142,484/109,164,055.20
  6. Step 6: Final answer
    x = 150,353,769.60

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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.