Home / 319,000,050.72-478,585,139.48-114,529,897.44

Finding the Fourth Proportional to 319,000,050.72, 478,585,139.48 and 114,529,897.44

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Solution

The fourth proportional to 319,000,050.72, 478,585,139.48 and 114,529,897.44 is: 171,825,386.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,000,050.72 : 478,585,139.48 = 114,529,897.44 : x
  2. Step 2: Convert to fraction form
    319,000,050.72/478,585,139.48 = 114,529,897.44/x
  3. Step 3: Cross multiply
    319,000,050.72x = 478,585,139.48 × 114,529,897.44
  4. Step 4: Simplify right side
    319,000,050.72x = 54,812,306,940,952,496
  5. Step 5: Solve for x
    x = 54,812,306,940,952,496/319,000,050.72
  6. Step 6: Final answer
    x = 171,825,386.29

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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.