Home / 117,835,357.30-162,617,837.73-65,624,392.89

Finding the Fourth Proportional to 117,835,357.30, 162,617,837.73 and 65,624,392.89

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Solution

The fourth proportional to 117,835,357.30, 162,617,837.73 and 65,624,392.89 is: 90,564,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,835,357.30 : 162,617,837.73 = 65,624,392.89 : x
  2. Step 2: Convert to fraction form
    117,835,357.30/162,617,837.73 = 65,624,392.89/x
  3. Step 3: Cross multiply
    117,835,357.30x = 162,617,837.73 × 65,624,392.89
  4. Step 4: Simplify right side
    117,835,357.30x = 10,671,696,873,869,694
  5. Step 5: Solve for x
    x = 10,671,696,873,869,694/117,835,357.30
  6. Step 6: Final answer
    x = 90,564,471.64

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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.