Home / 220,768,126.53-304,666,513.28-121,655,258.37

Finding the Fourth Proportional to 220,768,126.53, 304,666,513.28 and 121,655,258.37

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Solution

The fourth proportional to 220,768,126.53, 304,666,513.28 and 121,655,258.37 is: 167,887,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,768,126.53 : 304,666,513.28 = 121,655,258.37 : x
  2. Step 2: Convert to fraction form
    220,768,126.53/304,666,513.28 = 121,655,258.37/x
  3. Step 3: Cross multiply
    220,768,126.53x = 304,666,513.28 × 121,655,258.37
  4. Step 4: Simplify right side
    220,768,126.53x = 37,064,283,389,614,584
  5. Step 5: Solve for x
    x = 37,064,283,389,614,584/220,768,126.53
  6. Step 6: Final answer
    x = 167,887,837.67

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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.