Home / 123,299,844-170,153,989.84-67,544,048.85

Finding the Fourth Proportional to 123,299,844, 170,153,989.84 and 67,544,048.85

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Solution

The fourth proportional to 123,299,844, 170,153,989.84 and 67,544,048.85 is: 93,210,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,299,844 : 170,153,989.84 = 67,544,048.85 : x
  2. Step 2: Convert to fraction form
    123,299,844/170,153,989.84 = 67,544,048.85/x
  3. Step 3: Cross multiply
    123,299,844x = 170,153,989.84 × 67,544,048.85
  4. Step 4: Simplify right side
    123,299,844x = 11,492,889,401,775,362
  5. Step 5: Solve for x
    x = 11,492,889,401,775,362/123,299,844
  6. Step 6: Final answer
    x = 93,210,899.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.