Home / 98,982,294.80-148,473,442.20-66,733,667.60

Finding the Fourth Proportional to 98,982,294.80, 148,473,442.20 and 66,733,667.60

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Solution

The fourth proportional to 98,982,294.80, 148,473,442.20 and 66,733,667.60 is: 100,100,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982,294.80 : 148,473,442.20 = 66,733,667.60 : x
  2. Step 2: Convert to fraction form
    98,982,294.80/148,473,442.20 = 66,733,667.60/x
  3. Step 3: Cross multiply
    98,982,294.80x = 148,473,442.20 × 66,733,667.60
  4. Step 4: Simplify right side
    98,982,294.80x = 9,908,177,339,202,612
  5. Step 5: Solve for x
    x = 9,908,177,339,202,612/98,982,294.80
  6. Step 6: Final answer
    x = 100,100,501.40

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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.