Home / 93,025,358.46-128,374,994.88-51,781,993.92

Finding the Fourth Proportional to 93,025,358.46, 128,374,994.88 and 51,781,993.92

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Solution

The fourth proportional to 93,025,358.46, 128,374,994.88 and 51,781,993.92 is: 71,459,151.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,025,358.46 : 128,374,994.88 = 51,781,993.92 : x
  2. Step 2: Convert to fraction form
    93,025,358.46/128,374,994.88 = 51,781,993.92/x
  3. Step 3: Cross multiply
    93,025,358.46x = 128,374,994.88 × 51,781,993.92
  4. Step 4: Simplify right side
    93,025,358.46x = 6,647,513,204,356,191
  5. Step 5: Solve for x
    x = 6,647,513,204,356,191/93,025,358.46
  6. Step 6: Final answer
    x = 71,459,151.72

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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.