Home / 151,389,364.67-208,917,407.30-81,774,746.23

Finding the Fourth Proportional to 151,389,364.67, 208,917,407.30 and 81,774,746.23

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Solution

The fourth proportional to 151,389,364.67, 208,917,407.30 and 81,774,746.23 is: 112,849,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,389,364.67 : 208,917,407.30 = 81,774,746.23 : x
  2. Step 2: Convert to fraction form
    151,389,364.67/208,917,407.30 = 81,774,746.23/x
  3. Step 3: Cross multiply
    151,389,364.67x = 208,917,407.30 × 81,774,746.23
  4. Step 4: Simplify right side
    151,389,364.67x = 17,084,167,965,452,634
  5. Step 5: Solve for x
    x = 17,084,167,965,452,634/151,389,364.67
  6. Step 6: Final answer
    x = 112,849,195.21

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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.