Home / 152,656,852.31-210,666,296.75-83,042,067.14

Finding the Fourth Proportional to 152,656,852.31, 210,666,296.75 and 83,042,067.14

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Solution

The fourth proportional to 152,656,852.31, 210,666,296.75 and 83,042,067.14 is: 114,597,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,656,852.31 : 210,666,296.75 = 83,042,067.14 : x
  2. Step 2: Convert to fraction form
    152,656,852.31/210,666,296.75 = 83,042,067.14/x
  3. Step 3: Cross multiply
    152,656,852.31x = 210,666,296.75 × 83,042,067.14
  4. Step 4: Simplify right side
    152,656,852.31x = 17,494,164,757,380,124
  5. Step 5: Solve for x
    x = 17,494,164,757,380,124/152,656,852.31
  6. Step 6: Final answer
    x = 114,597,965.92

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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.