Home / 93,209,205.68-128,683,811.76-82,867,300.64

Finding the Fourth Proportional to 93,209,205.68, 128,683,811.76 and 82,867,300.64

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Solution

The fourth proportional to 93,209,205.68, 128,683,811.76 and 82,867,300.64 is: 114,405,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,209,205.68 : 128,683,811.76 = 82,867,300.64 : x
  2. Step 2: Convert to fraction form
    93,209,205.68/128,683,811.76 = 82,867,300.64/x
  3. Step 3: Cross multiply
    93,209,205.68x = 128,683,811.76 × 82,867,300.64
  4. Step 4: Simplify right side
    93,209,205.68x = 10,663,680,116,617,088
  5. Step 5: Solve for x
    x = 10,663,680,116,617,088/93,209,205.68
  6. Step 6: Final answer
    x = 114,405,868.38

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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.