Home / 68,352,003.20-102,528,004.80-42,871,606.40

Finding the Fourth Proportional to 68,352,003.20, 102,528,004.80 and 42,871,606.40

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Solution

The fourth proportional to 68,352,003.20, 102,528,004.80 and 42,871,606.40 is: 64,307,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,352,003.20 : 102,528,004.80 = 42,871,606.40 : x
  2. Step 2: Convert to fraction form
    68,352,003.20/102,528,004.80 = 42,871,606.40/x
  3. Step 3: Cross multiply
    68,352,003.20x = 102,528,004.80 × 42,871,606.40
  4. Step 4: Simplify right side
    68,352,003.20x = 4,395,540,266,762,910.50
  5. Step 5: Solve for x
    x = 4,395,540,266,762,910.50/68,352,003.20
  6. Step 6: Final answer
    x = 64,307,409.60

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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.