Home / 111,407,738.40-167,111,607.60-77,395,514.40

Finding the Fourth Proportional to 111,407,738.40, 167,111,607.60 and 77,395,514.40

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Solution

The fourth proportional to 111,407,738.40, 167,111,607.60 and 77,395,514.40 is: 116,093,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,407,738.40 : 167,111,607.60 = 77,395,514.40 : x
  2. Step 2: Convert to fraction form
    111,407,738.40/167,111,607.60 = 77,395,514.40/x
  3. Step 3: Cross multiply
    111,407,738.40x = 167,111,607.60 × 77,395,514.40
  4. Step 4: Simplify right side
    111,407,738.40x = 12,933,688,832,412,950
  5. Step 5: Solve for x
    x = 12,933,688,832,412,950/111,407,738.40
  6. Step 6: Final answer
    x = 116,093,271.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.