Home / 220,202,021.40-303,879,139.02-122,416,877.40

Finding the Fourth Proportional to 220,202,021.40, 303,879,139.02 and 122,416,877.40

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Solution

The fourth proportional to 220,202,021.40, 303,879,139.02 and 122,416,877.40 is: 168,935,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,202,021.40 : 303,879,139.02 = 122,416,877.40 : x
  2. Step 2: Convert to fraction form
    220,202,021.40/303,879,139.02 = 122,416,877.40/x
  3. Step 3: Cross multiply
    220,202,021.40x = 303,879,139.02 × 122,416,877.40
  4. Step 4: Simplify right side
    220,202,021.40x = 37,199,935,305,828,896
  5. Step 5: Solve for x
    x = 37,199,935,305,828,896/220,202,021.40
  6. Step 6: Final answer
    x = 168,935,485.10

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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.