Home / 123,239,632.20-170,076,006.55-68,235,493.56

Finding the Fourth Proportional to 123,239,632.20, 170,076,006.55 and 68,235,493.56

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Solution

The fourth proportional to 123,239,632.20, 170,076,006.55 and 68,235,493.56 is: 94,167,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,239,632.20 : 170,076,006.55 = 68,235,493.56 : x
  2. Step 2: Convert to fraction form
    123,239,632.20/170,076,006.55 = 68,235,493.56/x
  3. Step 3: Cross multiply
    123,239,632.20x = 170,076,006.55 × 68,235,493.56
  4. Step 4: Simplify right side
    123,239,632.20x = 11,605,220,249,653,044
  5. Step 5: Solve for x
    x = 11,605,220,249,653,044/123,239,632.20
  6. Step 6: Final answer
    x = 94,167,923.44

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1.5x scale

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.