Home / 259,740,636.58-390,232,510.40-166,550,189.19

Finding the Fourth Proportional to 259,740,636.58, 390,232,510.40 and 166,550,189.19

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Solution

The fourth proportional to 259,740,636.58, 390,232,510.40 and 166,550,189.19 is: 250,223,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,740,636.58 : 390,232,510.40 = 166,550,189.19 : x
  2. Step 2: Convert to fraction form
    259,740,636.58/390,232,510.40 = 166,550,189.19/x
  3. Step 3: Cross multiply
    259,740,636.58x = 390,232,510.40 × 166,550,189.19
  4. Step 4: Simplify right side
    259,740,636.58x = 64,993,298,435,208,640
  5. Step 5: Solve for x
    x = 64,993,298,435,208,640/259,740,636.58
  6. Step 6: Final answer
    x = 250,223,835.94

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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.