Home / 65,193,872.40-97,790,808.60-42,235,621.20

Finding the Fourth Proportional to 65,193,872.40, 97,790,808.60 and 42,235,621.20

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Solution

The fourth proportional to 65,193,872.40, 97,790,808.60 and 42,235,621.20 is: 63,353,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,193,872.40 : 97,790,808.60 = 42,235,621.20 : x
  2. Step 2: Convert to fraction form
    65,193,872.40/97,790,808.60 = 42,235,621.20/x
  3. Step 3: Cross multiply
    65,193,872.40x = 97,790,808.60 × 42,235,621.20
  4. Step 4: Simplify right side
    65,193,872.40x = 4,130,255,548,871,302.50
  5. Step 5: Solve for x
    x = 4,130,255,548,871,302.50/65,193,872.40
  6. Step 6: Final answer
    x = 63,353,431.80

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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.