Home / 70,205,193.60-105,307,790.40-47,246,942.40

Finding the Fourth Proportional to 70,205,193.60, 105,307,790.40 and 47,246,942.40

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Solution

The fourth proportional to 70,205,193.60, 105,307,790.40 and 47,246,942.40 is: 70,870,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,205,193.60 : 105,307,790.40 = 47,246,942.40 : x
  2. Step 2: Convert to fraction form
    70,205,193.60/105,307,790.40 = 47,246,942.40/x
  3. Step 3: Cross multiply
    70,205,193.60x = 105,307,790.40 × 47,246,942.40
  4. Step 4: Simplify right side
    70,205,193.60x = 4,975,471,107,300,073
  5. Step 5: Solve for x
    x = 4,975,471,107,300,073/70,205,193.60
  6. Step 6: Final answer
    x = 70,870,413.60

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1.5x scale

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.