Home / 57,023,289.77-85,300,675.02-45,531,203.40

Finding the Fourth Proportional to 57,023,289.77, 85,300,675.02 and 45,531,203.40

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Solution

The fourth proportional to 57,023,289.77, 85,300,675.02 and 45,531,203.40 is: 68,109,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023,289.77 : 85,300,675.02 = 45,531,203.40 : x
  2. Step 2: Convert to fraction form
    57,023,289.77/85,300,675.02 = 45,531,203.40/x
  3. Step 3: Cross multiply
    57,023,289.77x = 85,300,675.02 × 45,531,203.40
  4. Step 4: Simplify right side
    57,023,289.77x = 3,883,842,384,492,919
  5. Step 5: Solve for x
    x = 3,883,842,384,492,919/57,023,289.77
  6. Step 6: Final answer
    x = 68,109,756.57

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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.