Home / 70,233,021.03-105,139,636.30-42,482,958.37

Finding the Fourth Proportional to 70,233,021.03, 105,139,636.30 and 42,482,958.37

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Solution

The fourth proportional to 70,233,021.03, 105,139,636.30 and 42,482,958.37 is: 63,597,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,233,021.03 : 105,139,636.30 = 42,482,958.37 : x
  2. Step 2: Convert to fraction form
    70,233,021.03/105,139,636.30 = 42,482,958.37/x
  3. Step 3: Cross multiply
    70,233,021.03x = 105,139,636.30 × 42,482,958.37
  4. Step 4: Simplify right side
    70,233,021.03x = 4,466,642,791,760,095
  5. Step 5: Solve for x
    x = 4,466,642,791,760,095/70,233,021.03
  6. Step 6: Final answer
    x = 63,597,474.89

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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.