Home / 196,020,512.70-294,030,769.05-186,454,574.70

Finding the Fourth Proportional to 196,020,512.70, 294,030,769.05 and 186,454,574.70

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Solution

The fourth proportional to 196,020,512.70, 294,030,769.05 and 186,454,574.70 is: 279,681,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,020,512.70 : 294,030,769.05 = 186,454,574.70 : x
  2. Step 2: Convert to fraction form
    196,020,512.70/294,030,769.05 = 186,454,574.70/x
  3. Step 3: Cross multiply
    196,020,512.70x = 294,030,769.05 × 186,454,574.70
  4. Step 4: Simplify right side
    196,020,512.70x = 54,823,381,991,931,672
  5. Step 5: Solve for x
    x = 54,823,381,991,931,672/196,020,512.70
  6. Step 6: Final answer
    x = 279,681,862.05

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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.