Home / 151,389,282.16-208,917,293.34-81,774,663.40

Finding the Fourth Proportional to 151,389,282.16, 208,917,293.34 and 81,774,663.40

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Solution

The fourth proportional to 151,389,282.16, 208,917,293.34 and 81,774,663.40 is: 112,849,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,389,282.16 : 208,917,293.34 = 81,774,663.40 : x
  2. Step 2: Convert to fraction form
    151,389,282.16/208,917,293.34 = 81,774,663.40/x
  3. Step 3: Cross multiply
    151,389,282.16x = 208,917,293.34 × 81,774,663.40
  4. Step 4: Simplify right side
    151,389,282.16x = 17,084,141,341,317,564
  5. Step 5: Solve for x
    x = 17,084,141,341,317,564/151,389,282.16
  6. Step 6: Final answer
    x = 112,849,080.84

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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.