Home / 147,109,627.36-203,011,284.48-85,265,837.92

Finding the Fourth Proportional to 147,109,627.36, 203,011,284.48 and 85,265,837.92

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Solution

The fourth proportional to 147,109,627.36, 203,011,284.48 and 85,265,837.92 is: 117,666,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,109,627.36 : 203,011,284.48 = 85,265,837.92 : x
  2. Step 2: Convert to fraction form
    147,109,627.36/203,011,284.48 = 85,265,837.92/x
  3. Step 3: Cross multiply
    147,109,627.36x = 203,011,284.48 × 85,265,837.92
  4. Step 4: Simplify right side
    147,109,627.36x = 17,309,927,278,402,690
  5. Step 5: Solve for x
    x = 17,309,927,278,402,690/147,109,627.36
  6. Step 6: Final answer
    x = 117,666,855.59

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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.