Home / 197,200,769.40-272,088,168.39-127,502,283.06

Finding the Fourth Proportional to 197,200,769.40, 272,088,168.39 and 127,502,283.06

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Solution

The fourth proportional to 197,200,769.40, 272,088,168.39 and 127,502,283.06 is: 175,921,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,200,769.40 : 272,088,168.39 = 127,502,283.06 : x
  2. Step 2: Convert to fraction form
    197,200,769.40/272,088,168.39 = 127,502,283.06/x
  3. Step 3: Cross multiply
    197,200,769.40x = 272,088,168.39 × 127,502,283.06
  4. Step 4: Simplify right side
    197,200,769.40x = 34,691,862,663,338,724
  5. Step 5: Solve for x
    x = 34,691,862,663,338,724/197,200,769.40
  6. Step 6: Final answer
    x = 175,921,538.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.