Home / 64,903,971.12-89,563,931.73-35,529,621.09

Finding the Fourth Proportional to 64,903,971.12, 89,563,931.73 and 35,529,621.09

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Solution

The fourth proportional to 64,903,971.12, 89,563,931.73 and 35,529,621.09 is: 49,028,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,903,971.12 : 89,563,931.73 = 35,529,621.09 : x
  2. Step 2: Convert to fraction form
    64,903,971.12/89,563,931.73 = 35,529,621.09/x
  3. Step 3: Cross multiply
    64,903,971.12x = 89,563,931.73 × 35,529,621.09
  4. Step 4: Simplify right side
    64,903,971.12x = 3,182,172,557,697,528.50
  5. Step 5: Solve for x
    x = 3,182,172,557,697,528.50/64,903,971.12
  6. Step 6: Final answer
    x = 49,028,934.64

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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.