Home / 66,798,506.70-100,197,760.05-49,792,394.70

Finding the Fourth Proportional to 66,798,506.70, 100,197,760.05 and 49,792,394.70

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Solution

The fourth proportional to 66,798,506.70, 100,197,760.05 and 49,792,394.70 is: 74,688,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,798,506.70 : 100,197,760.05 = 49,792,394.70 : x
  2. Step 2: Convert to fraction form
    66,798,506.70/100,197,760.05 = 49,792,394.70/x
  3. Step 3: Cross multiply
    66,798,506.70x = 100,197,760.05 × 49,792,394.70
  4. Step 4: Simplify right side
    66,798,506.70x = 4,989,086,416,465,492
  5. Step 5: Solve for x
    x = 4,989,086,416,465,492/66,798,506.70
  6. Step 6: Final answer
    x = 74,688,592.05

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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.