Home / 50,425,421.76-69,588,938.16-28,100,413.98

Finding the Fourth Proportional to 50,425,421.76, 69,588,938.16 and 28,100,413.98

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Solution

The fourth proportional to 50,425,421.76, 69,588,938.16 and 28,100,413.98 is: 38,779,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,425,421.76 : 69,588,938.16 = 28,100,413.98 : x
  2. Step 2: Convert to fraction form
    50,425,421.76/69,588,938.16 = 28,100,413.98/x
  3. Step 3: Cross multiply
    50,425,421.76x = 69,588,938.16 × 28,100,413.98
  4. Step 4: Simplify right side
    50,425,421.76x = 1,955,477,970,724,619.50
  5. Step 5: Solve for x
    x = 1,955,477,970,724,619.50/50,425,421.76
  6. Step 6: Final answer
    x = 38,779,605.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.