Home / 258,228,424.56-387,113,300.82-100,624,948.68

Finding the Fourth Proportional to 258,228,424.56, 387,113,300.82 and 100,624,948.68

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Solution

The fourth proportional to 258,228,424.56, 387,113,300.82 and 100,624,948.68 is: 150,848,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,228,424.56 : 387,113,300.82 = 100,624,948.68 : x
  2. Step 2: Convert to fraction form
    258,228,424.56/387,113,300.82 = 100,624,948.68/x
  3. Step 3: Cross multiply
    258,228,424.56x = 387,113,300.82 × 100,624,948.68
  4. Step 4: Simplify right side
    258,228,424.56x = 38,953,256,028,357,904
  5. Step 5: Solve for x
    x = 38,953,256,028,357,904/258,228,424.56
  6. Step 6: Final answer
    x = 150,848,056.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.