Home / 197,605,611.81-272,819,696.12-127,163,609.76

Finding the Fourth Proportional to 197,605,611.81, 272,819,696.12 and 127,163,609.76

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Solution

The fourth proportional to 197,605,611.81, 272,819,696.12 and 127,163,609.76 is: 175,565,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,605,611.81 : 272,819,696.12 = 127,163,609.76 : x
  2. Step 2: Convert to fraction form
    197,605,611.81/272,819,696.12 = 127,163,609.76/x
  3. Step 3: Cross multiply
    197,605,611.81x = 272,819,696.12 × 127,163,609.76
  4. Step 4: Simplify right side
    197,605,611.81x = 34,692,737,372,245,468
  5. Step 5: Solve for x
    x = 34,692,737,372,245,468/197,605,611.81
  6. Step 6: Final answer
    x = 175,565,547.23

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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.