Home / 213,132,368.30-319,698,552.45-144,257,614.70

Finding the Fourth Proportional to 213,132,368.30, 319,698,552.45 and 144,257,614.70

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Solution

The fourth proportional to 213,132,368.30, 319,698,552.45 and 144,257,614.70 is: 216,386,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,132,368.30 : 319,698,552.45 = 144,257,614.70 : x
  2. Step 2: Convert to fraction form
    213,132,368.30/319,698,552.45 = 144,257,614.70/x
  3. Step 3: Cross multiply
    213,132,368.30x = 319,698,552.45 × 144,257,614.70
  4. Step 4: Simplify right side
    213,132,368.30x = 46,118,950,599,479,832
  5. Step 5: Solve for x
    x = 46,118,950,599,479,832/213,132,368.30
  6. Step 6: Final answer
    x = 216,386,422.05

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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.