Home / 65,196,091.02-89,933,141.07-40,707,289.74

Finding the Fourth Proportional to 65,196,091.02, 89,933,141.07 and 40,707,289.74

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Solution

The fourth proportional to 65,196,091.02, 89,933,141.07 and 40,707,289.74 is: 56,152,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,196,091.02 : 89,933,141.07 = 40,707,289.74 : x
  2. Step 2: Convert to fraction form
    65,196,091.02/89,933,141.07 = 40,707,289.74/x
  3. Step 3: Cross multiply
    65,196,091.02x = 89,933,141.07 × 40,707,289.74
  4. Step 4: Simplify right side
    65,196,091.02x = 3,660,934,430,764,783.50
  5. Step 5: Solve for x
    x = 3,660,934,430,764,783.50/65,196,091.02
  6. Step 6: Final answer
    x = 56,152,667.64

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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.