Home / 186,782,187.60-280,173,281.40-65,613,639.60

Finding the Fourth Proportional to 186,782,187.60, 280,173,281.40 and 65,613,639.60

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Solution

The fourth proportional to 186,782,187.60, 280,173,281.40 and 65,613,639.60 is: 98,420,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,782,187.60 : 280,173,281.40 = 65,613,639.60 : x
  2. Step 2: Convert to fraction form
    186,782,187.60/280,173,281.40 = 65,613,639.60/x
  3. Step 3: Cross multiply
    186,782,187.60x = 280,173,281.40 × 65,613,639.60
  4. Step 4: Simplify right side
    186,782,187.60x = 18,383,188,711,328,984
  5. Step 5: Solve for x
    x = 18,383,188,711,328,984/186,782,187.60
  6. Step 6: Final answer
    x = 98,420,459.40

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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.