Home / 93,150,599.78-128,548,333.58-53,454,969.83

Finding the Fourth Proportional to 93,150,599.78, 128,548,333.58 and 53,454,969.83

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Solution

The fourth proportional to 93,150,599.78, 128,548,333.58 and 53,454,969.83 is: 73,768,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,150,599.78 : 128,548,333.58 = 53,454,969.83 : x
  2. Step 2: Convert to fraction form
    93,150,599.78/128,548,333.58 = 53,454,969.83/x
  3. Step 3: Cross multiply
    93,150,599.78x = 128,548,333.58 × 53,454,969.83
  4. Step 4: Simplify right side
    93,150,599.78x = 6,871,547,293,269,772
  5. Step 5: Solve for x
    x = 6,871,547,293,269,772/93,150,599.78
  6. Step 6: Final answer
    x = 73,768,148.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.