Home / 78,300,026.70-117,492,030.45-32,866,413.90

Finding the Fourth Proportional to 78,300,026.70, 117,492,030.45 and 32,866,413.90

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Solution

The fourth proportional to 78,300,026.70, 117,492,030.45 and 32,866,413.90 is: 49,317,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,300,026.70 : 117,492,030.45 = 32,866,413.90 : x
  2. Step 2: Convert to fraction form
    78,300,026.70/117,492,030.45 = 32,866,413.90/x
  3. Step 3: Cross multiply
    78,300,026.70x = 117,492,030.45 × 32,866,413.90
  4. Step 4: Simplify right side
    78,300,026.70x = 3,861,541,702,721,103
  5. Step 5: Solve for x
    x = 3,861,541,702,721,103/78,300,026.70
  6. Step 6: Final answer
    x = 49,317,246.31

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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.