Home / 194,940,011.80-292,410,017.70-79,886,315.80

Finding the Fourth Proportional to 194,940,011.80, 292,410,017.70 and 79,886,315.80

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Solution

The fourth proportional to 194,940,011.80, 292,410,017.70 and 79,886,315.80 is: 119,829,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,940,011.80 : 292,410,017.70 = 79,886,315.80 : x
  2. Step 2: Convert to fraction form
    194,940,011.80/292,410,017.70 = 79,886,315.80/x
  3. Step 3: Cross multiply
    194,940,011.80x = 292,410,017.70 × 79,886,315.80
  4. Step 4: Simplify right side
    194,940,011.80x = 23,359,559,017,065,788
  5. Step 5: Solve for x
    x = 23,359,559,017,065,788/194,940,011.80
  6. Step 6: Final answer
    x = 119,829,473.70

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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.