Home / 145,163,756.40-217,745,634.60-37,458,380.40

Finding the Fourth Proportional to 145,163,756.40, 217,745,634.60 and 37,458,380.40

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Solution

The fourth proportional to 145,163,756.40, 217,745,634.60 and 37,458,380.40 is: 56,187,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,756.40 : 217,745,634.60 = 37,458,380.40 : x
  2. Step 2: Convert to fraction form
    145,163,756.40/217,745,634.60 = 37,458,380.40/x
  3. Step 3: Cross multiply
    145,163,756.40x = 217,745,634.60 × 37,458,380.40
  4. Step 4: Simplify right side
    145,163,756.40x = 8,156,398,811,286,201
  5. Step 5: Solve for x
    x = 8,156,398,811,286,201/145,163,756.40
  6. Step 6: Final answer
    x = 56,187,570.60

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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.