Home / 64,582,318.40-89,145,192.48-38,485,021.28

Finding the Fourth Proportional to 64,582,318.40, 89,145,192.48 and 38,485,021.28

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Solution

The fourth proportional to 64,582,318.40, 89,145,192.48 and 38,485,021.28 is: 53,122,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,582,318.40 : 89,145,192.48 = 38,485,021.28 : x
  2. Step 2: Convert to fraction form
    64,582,318.40/89,145,192.48 = 38,485,021.28/x
  3. Step 3: Cross multiply
    64,582,318.40x = 89,145,192.48 × 38,485,021.28
  4. Step 4: Simplify right side
    64,582,318.40x = 3,430,754,629,602,496
  5. Step 5: Solve for x
    x = 3,430,754,629,602,496/64,582,318.40
  6. Step 6: Final answer
    x = 53,122,196.83

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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.