Home / 196,224,439.60-294,336,659.40-66,789,031.60

Finding the Fourth Proportional to 196,224,439.60, 294,336,659.40 and 66,789,031.60

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Solution

The fourth proportional to 196,224,439.60, 294,336,659.40 and 66,789,031.60 is: 100,183,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,224,439.60 : 294,336,659.40 = 66,789,031.60 : x
  2. Step 2: Convert to fraction form
    196,224,439.60/294,336,659.40 = 66,789,031.60/x
  3. Step 3: Cross multiply
    196,224,439.60x = 294,336,659.40 × 66,789,031.60
  4. Step 4: Simplify right side
    196,224,439.60x = 19,658,460,445,705,036
  5. Step 5: Solve for x
    x = 19,658,460,445,705,036/196,224,439.60
  6. Step 6: Final answer
    x = 100,183,547.40

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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.