Home / 213,653,359.20-320,480,038.80-149,030,133.60

Finding the Fourth Proportional to 213,653,359.20, 320,480,038.80 and 149,030,133.60

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Solution

The fourth proportional to 213,653,359.20, 320,480,038.80 and 149,030,133.60 is: 223,545,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,653,359.20 : 320,480,038.80 = 149,030,133.60 : x
  2. Step 2: Convert to fraction form
    213,653,359.20/320,480,038.80 = 149,030,133.60/x
  3. Step 3: Cross multiply
    213,653,359.20x = 320,480,038.80 × 149,030,133.60
  4. Step 4: Simplify right side
    213,653,359.20x = 47,761,182,998,497,184
  5. Step 5: Solve for x
    x = 47,761,182,998,497,184/213,653,359.20
  6. Step 6: Final answer
    x = 223,545,200.40

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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.