Home / 147,123,864,301.80-220,685,796,452.70-72,739,130,413.80

Finding the Fourth Proportional to 147,123,864,301.80, 220,685,796,452.70 and 72,739,130,413.80

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Solution

The fourth proportional to 147,123,864,301.80, 220,685,796,452.70 and 72,739,130,413.80 is: 109,108,695,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,123,864,301.80 : 220,685,796,452.70 = 72,739,130,413.80 : x
  2. Step 2: Convert to fraction form
    147,123,864,301.80/220,685,796,452.70 = 72,739,130,413.80/x
  3. Step 3: Cross multiply
    147,123,864,301.80x = 220,685,796,452.70 × 72,739,130,413.80
  4. Step 4: Simplify right side
    147,123,864,301.80x = 16,052,492,928,646,268,321,792
  5. Step 5: Solve for x
    x = 16,052,492,928,646,268,321,792/147,123,864,301.80
  6. Step 6: Final answer
    x = 109,108,695,620.70

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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.