Home / 64,976,368.97-89,664,819.87-38,855,322.11

Finding the Fourth Proportional to 64,976,368.97, 89,664,819.87 and 38,855,322.11

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Solution

The fourth proportional to 64,976,368.97, 89,664,819.87 and 38,855,322.11 is: 53,618,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,976,368.97 : 89,664,819.87 = 38,855,322.11 : x
  2. Step 2: Convert to fraction form
    64,976,368.97/89,664,819.87 = 38,855,322.11/x
  3. Step 3: Cross multiply
    64,976,368.97x = 89,664,819.87 × 38,855,322.11
  4. Step 4: Simplify right side
    64,976,368.97x = 3,483,955,457,535,654
  5. Step 5: Solve for x
    x = 3,483,955,457,535,654/64,976,368.97
  6. Step 6: Final answer
    x = 53,618,808.08

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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.