Home / 238,914,929,985.90-329,702,735,643.24-129,049,275,480.03

Finding the Fourth Proportional to 238,914,929,985.90, 329,702,735,643.24 and 129,049,275,480.03

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Solution

The fourth proportional to 238,914,929,985.90, 329,702,735,643.24 and 129,049,275,480.03 is: 178,088,071,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,914,929,985.90 : 329,702,735,643.24 = 129,049,275,480.03 : x
  2. Step 2: Convert to fraction form
    238,914,929,985.90/329,702,735,643.24 = 129,049,275,480.03/x
  3. Step 3: Cross multiply
    238,914,929,985.90x = 329,702,735,643.24 × 129,049,275,480.03
  4. Step 4: Simplify right side
    238,914,929,985.90x = 42,547,899,158,543,986,589,696
  5. Step 5: Solve for x
    x = 42,547,899,158,543,986,589,696/238,914,929,985.90
  6. Step 6: Final answer
    x = 178,088,071,603.79

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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.