Home / 147,968,015.80-221,952,023.70-130,052,111.80

Finding the Fourth Proportional to 147,968,015.80, 221,952,023.70 and 130,052,111.80

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Solution

The fourth proportional to 147,968,015.80, 221,952,023.70 and 130,052,111.80 is: 195,078,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,968,015.80 : 221,952,023.70 = 130,052,111.80 : x
  2. Step 2: Convert to fraction form
    147,968,015.80/221,952,023.70 = 130,052,111.80/x
  3. Step 3: Cross multiply
    147,968,015.80x = 221,952,023.70 × 130,052,111.80
  4. Step 4: Simplify right side
    147,968,015.80x = 28,865,329,400,468,648
  5. Step 5: Solve for x
    x = 28,865,329,400,468,648/147,968,015.80
  6. Step 6: Final answer
    x = 195,078,167.70

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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.