Home / 145,156,749.90-217,436,526.45-73,393,601.10

Finding the Fourth Proportional to 145,156,749.90, 217,436,526.45 and 73,393,601.10

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Solution

The fourth proportional to 145,156,749.90, 217,436,526.45 and 73,393,601.10 is: 109,939,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,749.90 : 217,436,526.45 = 73,393,601.10 : x
  2. Step 2: Convert to fraction form
    145,156,749.90/217,436,526.45 = 73,393,601.10/x
  3. Step 3: Cross multiply
    145,156,749.90x = 217,436,526.45 × 73,393,601.10
  4. Step 4: Simplify right side
    145,156,749.90x = 15,958,449,686,840,896
  5. Step 5: Solve for x
    x = 15,958,449,686,840,896/145,156,749.90
  6. Step 6: Final answer
    x = 109,939,425.47

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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.