Home / 109,104,553,281.78-149,470,736,765.80-105,025,431,410.10

Finding the Fourth Proportional to 109,104,553,281.78, 149,470,736,765.80 and 105,025,431,410.10

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Solution

The fourth proportional to 109,104,553,281.78, 149,470,736,765.80 and 105,025,431,410.10 is: 143,882,433,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,104,553,281.78 : 149,470,736,765.80 = 105,025,431,410.10 : x
  2. Step 2: Convert to fraction form
    109,104,553,281.78/149,470,736,765.80 = 105,025,431,410.10/x
  3. Step 3: Cross multiply
    109,104,553,281.78x = 149,470,736,765.80 × 105,025,431,410.10
  4. Step 4: Simplify right side
    109,104,553,281.78x = 15,698,228,612,013,639,073,792
  5. Step 5: Solve for x
    x = 15,698,228,612,013,639,073,792/109,104,553,281.78
  6. Step 6: Final answer
    x = 143,882,433,315.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.