Home / 61,312,853.37-91,819,879.89-40,550,642.67

Finding the Fourth Proportional to 61,312,853.37, 91,819,879.89 and 40,550,642.67

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Solution

The fourth proportional to 61,312,853.37, 91,819,879.89 and 40,550,642.67 is: 60,727,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,312,853.37 : 91,819,879.89 = 40,550,642.67 : x
  2. Step 2: Convert to fraction form
    61,312,853.37/91,819,879.89 = 40,550,642.67/x
  3. Step 3: Cross multiply
    61,312,853.37x = 91,819,879.89 × 40,550,642.67
  4. Step 4: Simplify right side
    61,312,853.37x = 3,723,355,139,421,709
  5. Step 5: Solve for x
    x = 3,723,355,139,421,709/61,312,853.37
  6. Step 6: Final answer
    x = 60,727,154.83

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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.