Home / 117,252,012.06-161,827,181.64-65,057,862.78

Finding the Fourth Proportional to 117,252,012.06, 161,827,181.64 and 65,057,862.78

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Solution

The fourth proportional to 117,252,012.06, 161,827,181.64 and 65,057,862.78 is: 89,790,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,252,012.06 : 161,827,181.64 = 65,057,862.78 : x
  2. Step 2: Convert to fraction form
    117,252,012.06/161,827,181.64 = 65,057,862.78/x
  3. Step 3: Cross multiply
    117,252,012.06x = 161,827,181.64 × 65,057,862.78
  4. Step 4: Simplify right side
    117,252,012.06x = 10,528,130,577,209,254
  5. Step 5: Solve for x
    x = 10,528,130,577,209,254/117,252,012.06
  6. Step 6: Final answer
    x = 89,790,617.60

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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.