Home / 64,877,773.60-89,521,696.40-39,403,936.76

Finding the Fourth Proportional to 64,877,773.60, 89,521,696.40 and 39,403,936.76

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Solution

The fourth proportional to 64,877,773.60, 89,521,696.40 and 39,403,936.76 is: 54,371,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,877,773.60 : 89,521,696.40 = 39,403,936.76 : x
  2. Step 2: Convert to fraction form
    64,877,773.60/89,521,696.40 = 39,403,936.76/x
  3. Step 3: Cross multiply
    64,877,773.60x = 89,521,696.40 × 39,403,936.76
  4. Step 4: Simplify right side
    64,877,773.60x = 3,527,507,263,593,519.50
  5. Step 5: Solve for x
    x = 3,527,507,263,593,519.50/64,877,773.60
  6. Step 6: Final answer
    x = 54,371,583.18

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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.