Home / 154,556,715.20-231,636,007.20-118,476,075.20

Finding the Fourth Proportional to 154,556,715.20, 231,636,007.20 and 118,476,075.20

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Solution

The fourth proportional to 154,556,715.20, 231,636,007.20 and 118,476,075.20 is: 177,561,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,556,715.20 : 231,636,007.20 = 118,476,075.20 : x
  2. Step 2: Convert to fraction form
    154,556,715.20/231,636,007.20 = 118,476,075.20/x
  3. Step 3: Cross multiply
    154,556,715.20x = 231,636,007.20 × 118,476,075.20
  4. Step 4: Simplify right side
    154,556,715.20x = 27,443,325,008,054,940
  5. Step 5: Solve for x
    x = 27,443,325,008,054,940/154,556,715.20
  6. Step 6: Final answer
    x = 177,561,518.26

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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.