Home / 147,102,572.80-220,653,859.20-131,230,201.60

Finding the Fourth Proportional to 147,102,572.80, 220,653,859.20 and 131,230,201.60

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Solution

The fourth proportional to 147,102,572.80, 220,653,859.20 and 131,230,201.60 is: 196,845,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,102,572.80 : 220,653,859.20 = 131,230,201.60 : x
  2. Step 2: Convert to fraction form
    147,102,572.80/220,653,859.20 = 131,230,201.60/x
  3. Step 3: Cross multiply
    147,102,572.80x = 220,653,859.20 × 131,230,201.60
  4. Step 4: Simplify right side
    147,102,572.80x = 28,956,450,426,634,012
  5. Step 5: Solve for x
    x = 28,956,450,426,634,012/147,102,572.80
  6. Step 6: Final answer
    x = 196,845,302.40

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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.