Home / 193,345,602.30-290,018,403.45-78,333,896.70

Finding the Fourth Proportional to 193,345,602.30, 290,018,403.45 and 78,333,896.70

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Solution

The fourth proportional to 193,345,602.30, 290,018,403.45 and 78,333,896.70 is: 117,500,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,345,602.30 : 290,018,403.45 = 78,333,896.70 : x
  2. Step 2: Convert to fraction form
    193,345,602.30/290,018,403.45 = 78,333,896.70/x
  3. Step 3: Cross multiply
    193,345,602.30x = 290,018,403.45 × 78,333,896.70
  4. Step 4: Simplify right side
    193,345,602.30x = 22,718,271,656,951,224
  5. Step 5: Solve for x
    x = 22,718,271,656,951,224/193,345,602.30
  6. Step 6: Final answer
    x = 117,500,845.05

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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.