Home / 126,142,640.01-174,036,082.01-70,379,019.45

Finding the Fourth Proportional to 126,142,640.01, 174,036,082.01 and 70,379,019.45

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Solution

The fourth proportional to 126,142,640.01, 174,036,082.01 and 70,379,019.45 is: 97,100,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,142,640.01 : 174,036,082.01 = 70,379,019.45 : x
  2. Step 2: Convert to fraction form
    126,142,640.01/174,036,082.01 = 70,379,019.45/x
  3. Step 3: Cross multiply
    126,142,640.01x = 174,036,082.01 × 70,379,019.45
  4. Step 4: Simplify right side
    126,142,640.01x = 12,248,488,800,431,690
  5. Step 5: Solve for x
    x = 12,248,488,800,431,690/126,142,640.01
  6. Step 6: Final answer
    x = 97,100,304.86

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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.