Home / 194,940,012.30-292,410,018.45-79,886,316.30

Finding the Fourth Proportional to 194,940,012.30, 292,410,018.45 and 79,886,316.30

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Solution

The fourth proportional to 194,940,012.30, 292,410,018.45 and 79,886,316.30 is: 119,829,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,940,012.30 : 292,410,018.45 = 79,886,316.30 : x
  2. Step 2: Convert to fraction form
    194,940,012.30/292,410,018.45 = 79,886,316.30/x
  3. Step 3: Cross multiply
    194,940,012.30x = 292,410,018.45 × 79,886,316.30
  4. Step 4: Simplify right side
    194,940,012.30x = 23,359,559,223,185,532
  5. Step 5: Solve for x
    x = 23,359,559,223,185,532/194,940,012.30
  6. Step 6: Final answer
    x = 119,829,474.45

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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.