Home / 151,389,274.96-208,917,283.41-81,774,656.22

Finding the Fourth Proportional to 151,389,274.96, 208,917,283.41 and 81,774,656.22

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Solution

The fourth proportional to 151,389,274.96, 208,917,283.41 and 81,774,656.22 is: 112,849,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,389,274.96 : 208,917,283.41 = 81,774,656.22 : x
  2. Step 2: Convert to fraction form
    151,389,274.96/208,917,283.41 = 81,774,656.22/x
  3. Step 3: Cross multiply
    151,389,274.96x = 208,917,283.41 × 81,774,656.22
  4. Step 4: Simplify right side
    151,389,274.96x = 17,084,139,029,269,058
  5. Step 5: Solve for x
    x = 17,084,139,029,269,058/151,389,274.96
  6. Step 6: Final answer
    x = 112,849,070.94

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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.