Home / 123,426,347.44-170,321,849.56-70,492,648.60

Finding the Fourth Proportional to 123,426,347.44, 170,321,849.56 and 70,492,648.60

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Solution

The fourth proportional to 123,426,347.44, 170,321,849.56 and 70,492,648.60 is: 97,276,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,426,347.44 : 170,321,849.56 = 70,492,648.60 : x
  2. Step 2: Convert to fraction form
    123,426,347.44/170,321,849.56 = 70,492,648.60/x
  3. Step 3: Cross multiply
    123,426,347.44x = 170,321,849.56 × 70,492,648.60
  4. Step 4: Simplify right side
    123,426,347.44x = 12,006,438,289,935,144
  5. Step 5: Solve for x
    x = 12,006,438,289,935,144/123,426,347.44
  6. Step 6: Final answer
    x = 97,276,137.06

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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.