Home / 157,879,564.20-235,662,974.40-139,241,928.33

Finding the Fourth Proportional to 157,879,564.20, 235,662,974.40 and 139,241,928.33

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Solution

The fourth proportional to 157,879,564.20, 235,662,974.40 and 139,241,928.33 is: 207,843,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,879,564.20 : 235,662,974.40 = 139,241,928.33 : x
  2. Step 2: Convert to fraction form
    157,879,564.20/235,662,974.40 = 139,241,928.33/x
  3. Step 3: Cross multiply
    157,879,564.20x = 235,662,974.40 × 139,241,928.33
  4. Step 4: Simplify right side
    157,879,564.20x = 32,814,166,991,439,428
  5. Step 5: Solve for x
    x = 32,814,166,991,439,428/157,879,564.20
  6. Step 6: Final answer
    x = 207,843,029.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.