Home / 165,889,409.80-248,834,114.70-154,552,001.80

Finding the Fourth Proportional to 165,889,409.80, 248,834,114.70 and 154,552,001.80

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Solution

The fourth proportional to 165,889,409.80, 248,834,114.70 and 154,552,001.80 is: 231,828,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,889,409.80 : 248,834,114.70 = 154,552,001.80 : x
  2. Step 2: Convert to fraction form
    165,889,409.80/248,834,114.70 = 154,552,001.80/x
  3. Step 3: Cross multiply
    165,889,409.80x = 248,834,114.70 × 154,552,001.80
  4. Step 4: Simplify right side
    165,889,409.80x = 38,457,810,543,015,808
  5. Step 5: Solve for x
    x = 38,457,810,543,015,808/165,889,409.80
  6. Step 6: Final answer
    x = 231,828,002.70

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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.