Home / 136,705,264.28-188,655,036.66-74,824,274.24

Finding the Fourth Proportional to 136,705,264.28, 188,655,036.66 and 74,824,274.24

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Solution

The fourth proportional to 136,705,264.28, 188,655,036.66 and 74,824,274.24 is: 103,258,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,705,264.28 : 188,655,036.66 = 74,824,274.24 : x
  2. Step 2: Convert to fraction form
    136,705,264.28/188,655,036.66 = 74,824,274.24/x
  3. Step 3: Cross multiply
    136,705,264.28x = 188,655,036.66 × 74,824,274.24
  4. Step 4: Simplify right side
    136,705,264.28x = 14,115,976,199,805,092
  5. Step 5: Solve for x
    x = 14,115,976,199,805,092/136,705,264.28
  6. Step 6: Final answer
    x = 103,258,468.31

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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.