Home / 51,688,672.22-71,329,443.88-28,167,413.30

Finding the Fourth Proportional to 51,688,672.22, 71,329,443.88 and 28,167,413.30

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Solution

The fourth proportional to 51,688,672.22, 71,329,443.88 and 28,167,413.30 is: 38,870,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,688,672.22 : 71,329,443.88 = 28,167,413.30 : x
  2. Step 2: Convert to fraction form
    51,688,672.22/71,329,443.88 = 28,167,413.30/x
  3. Step 3: Cross multiply
    51,688,672.22x = 71,329,443.88 × 28,167,413.30
  4. Step 4: Simplify right side
    51,688,672.22x = 2,009,165,926,227,115.50
  5. Step 5: Solve for x
    x = 2,009,165,926,227,115.50/51,688,672.22
  6. Step 6: Final answer
    x = 38,870,526.94

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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.