Home / 147,609,671.65-221,328,846.16-69,885,923.13

Finding the Fourth Proportional to 147,609,671.65, 221,328,846.16 and 69,885,923.13

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Solution

The fourth proportional to 147,609,671.65, 221,328,846.16 and 69,885,923.13 is: 104,788,328.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,609,671.65 : 221,328,846.16 = 69,885,923.13 : x
  2. Step 2: Convert to fraction form
    147,609,671.65/221,328,846.16 = 69,885,923.13/x
  3. Step 3: Cross multiply
    147,609,671.65x = 221,328,846.16 × 69,885,923.13
  4. Step 4: Simplify right side
    147,609,671.65x = 15,467,770,729,014,640
  5. Step 5: Solve for x
    x = 15,467,770,729,014,640/147,609,671.65
  6. Step 6: Final answer
    x = 104,788,328.27

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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.