Home / 152,242,849.40-210,095,336.72-82,628,231.27

Finding the Fourth Proportional to 152,242,849.40, 210,095,336.72 and 82,628,231.27

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Solution

The fourth proportional to 152,242,849.40, 210,095,336.72 and 82,628,231.27 is: 114,027,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,242,849.40 : 210,095,336.72 = 82,628,231.27 : x
  2. Step 2: Convert to fraction form
    152,242,849.40/210,095,336.72 = 82,628,231.27/x
  3. Step 3: Cross multiply
    152,242,849.40x = 210,095,336.72 × 82,628,231.27
  4. Step 4: Simplify right side
    152,242,849.40x = 17,359,806,070,404,776
  5. Step 5: Solve for x
    x = 17,359,806,070,404,776/152,242,849.40
  6. Step 6: Final answer
    x = 114,027,070.17

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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.