Home / 121,133,014.03-167,162,709.06-66,128,870.53

Finding the Fourth Proportional to 121,133,014.03, 167,162,709.06 and 66,128,870.53

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Solution

The fourth proportional to 121,133,014.03, 167,162,709.06 and 66,128,870.53 is: 91,257,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,133,014.03 : 167,162,709.06 = 66,128,870.53 : x
  2. Step 2: Convert to fraction form
    121,133,014.03/167,162,709.06 = 66,128,870.53/x
  3. Step 3: Cross multiply
    121,133,014.03x = 167,162,709.06 × 66,128,870.53
  4. Step 4: Simplify right side
    121,133,014.03x = 11,054,281,145,645,390
  5. Step 5: Solve for x
    x = 11,054,281,145,645,390/121,133,014.03
  6. Step 6: Final answer
    x = 91,257,377.14

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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.