Home / 261,033,145.10-360,218,551.76-143,558,518.01

Finding the Fourth Proportional to 261,033,145.10, 360,218,551.76 and 143,558,518.01

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Solution

The fourth proportional to 261,033,145.10, 360,218,551.76 and 143,558,518.01 is: 198,106,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,033,145.10 : 360,218,551.76 = 143,558,518.01 : x
  2. Step 2: Convert to fraction form
    261,033,145.10/360,218,551.76 = 143,558,518.01/x
  3. Step 3: Cross multiply
    261,033,145.10x = 360,218,551.76 × 143,558,518.01
  4. Step 4: Simplify right side
    261,033,145.10x = 51,712,441,450,556,824
  5. Step 5: Solve for x
    x = 51,712,441,450,556,824/261,033,145.10
  6. Step 6: Final answer
    x = 198,106,801.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.