Home / 152,242,753.72-210,095,202.84-82,628,134.60

Finding the Fourth Proportional to 152,242,753.72, 210,095,202.84 and 82,628,134.60

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Solution

The fourth proportional to 152,242,753.72, 210,095,202.84 and 82,628,134.60 is: 114,026,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,242,753.72 : 210,095,202.84 = 82,628,134.60 : x
  2. Step 2: Convert to fraction form
    152,242,753.72/210,095,202.84 = 82,628,134.60/x
  3. Step 3: Cross multiply
    152,242,753.72x = 210,095,202.84 × 82,628,134.60
  4. Step 4: Simplify right side
    152,242,753.72x = 17,359,774,699,077,822
  5. Step 5: Solve for x
    x = 17,359,774,699,077,822/152,242,753.72
  6. Step 6: Final answer
    x = 114,026,935.76

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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.