Home / 117,006,991.32-161,474,724-64,796,027.16

Finding the Fourth Proportional to 117,006,991.32, 161,474,724 and 64,796,027.16

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Solution

The fourth proportional to 117,006,991.32, 161,474,724 and 64,796,027.16 is: 89,421,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,006,991.32 : 161,474,724 = 64,796,027.16 : x
  2. Step 2: Convert to fraction form
    117,006,991.32/161,474,724 = 64,796,027.16/x
  3. Step 3: Cross multiply
    117,006,991.32x = 161,474,724 × 64,796,027.16
  4. Step 4: Simplify right side
    117,006,991.32x = 10,462,920,601,957,504
  5. Step 5: Solve for x
    x = 10,462,920,601,957,504/117,006,991.32
  6. Step 6: Final answer
    x = 89,421,328.45

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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.