Home / 93,636,010.80-140,454,016.20-77,763,639.60

Finding the Fourth Proportional to 93,636,010.80, 140,454,016.20 and 77,763,639.60

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Solution

The fourth proportional to 93,636,010.80, 140,454,016.20 and 77,763,639.60 is: 116,645,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,636,010.80 : 140,454,016.20 = 77,763,639.60 : x
  2. Step 2: Convert to fraction form
    93,636,010.80/140,454,016.20 = 77,763,639.60/x
  3. Step 3: Cross multiply
    93,636,010.80x = 140,454,016.20 × 77,763,639.60
  4. Step 4: Simplify right side
    93,636,010.80x = 10,922,215,496,149,360
  5. Step 5: Solve for x
    x = 10,922,215,496,149,360/93,636,010.80
  6. Step 6: Final answer
    x = 116,645,459.40

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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.