Home / 123,216,079.57-170,031,453.36-67,450,712.10

Finding the Fourth Proportional to 123,216,079.57, 170,031,453.36 and 67,450,712.10

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Solution

The fourth proportional to 123,216,079.57, 170,031,453.36 and 67,450,712.10 is: 93,078,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,216,079.57 : 170,031,453.36 = 67,450,712.10 : x
  2. Step 2: Convert to fraction form
    123,216,079.57/170,031,453.36 = 67,450,712.10/x
  3. Step 3: Cross multiply
    123,216,079.57x = 170,031,453.36 × 67,450,712.10
  4. Step 4: Simplify right side
    123,216,079.57x = 11,468,742,608,529,938
  5. Step 5: Solve for x
    x = 11,468,742,608,529,938/123,216,079.57
  6. Step 6: Final answer
    x = 93,078,295.05

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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.