Home / 152,242,712.32-210,095,145.74-82,628,093.20

Finding the Fourth Proportional to 152,242,712.32, 210,095,145.74 and 82,628,093.20

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Solution

The fourth proportional to 152,242,712.32, 210,095,145.74 and 82,628,093.20 is: 114,026,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,242,712.32 : 210,095,145.74 = 82,628,093.20 : x
  2. Step 2: Convert to fraction form
    152,242,712.32/210,095,145.74 = 82,628,093.20/x
  3. Step 3: Cross multiply
    152,242,712.32x = 210,095,145.74 × 82,628,093.20
  4. Step 4: Simplify right side
    152,242,712.32x = 17,359,761,283,625,758
  5. Step 5: Solve for x
    x = 17,359,761,283,625,758/152,242,712.32
  6. Step 6: Final answer
    x = 114,026,878.65

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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.