Home / 307,029,371.60-423,905,052.01-181,621,855

Finding the Fourth Proportional to 307,029,371.60, 423,905,052.01 and 181,621,855

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Solution

The fourth proportional to 307,029,371.60, 423,905,052.01 and 181,621,855 is: 250,759,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,029,371.60 : 423,905,052.01 = 181,621,855 : x
  2. Step 2: Convert to fraction form
    307,029,371.60/423,905,052.01 = 181,621,855/x
  3. Step 3: Cross multiply
    307,029,371.60x = 423,905,052.01 × 181,621,855
  4. Step 4: Simplify right side
    307,029,371.60x = 76,990,421,889,927,680
  5. Step 5: Solve for x
    x = 76,990,421,889,927,680/307,029,371.60
  6. Step 6: Final answer
    x = 250,759,142.32

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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.