Home / 258,915,668.60-388,224,203.70-97,373,934.20

Finding the Fourth Proportional to 258,915,668.60, 388,224,203.70 and 97,373,934.20

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Solution

The fourth proportional to 258,915,668.60, 388,224,203.70 and 97,373,934.20 is: 146,004,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,915,668.60 : 388,224,203.70 = 97,373,934.20 : x
  2. Step 2: Convert to fraction form
    258,915,668.60/388,224,203.70 = 97,373,934.20/x
  3. Step 3: Cross multiply
    258,915,668.60x = 388,224,203.70 × 97,373,934.20
  4. Step 4: Simplify right side
    258,915,668.60x = 37,802,918,065,931,200
  5. Step 5: Solve for x
    x = 37,802,918,065,931,200/258,915,668.60
  6. Step 6: Final answer
    x = 146,004,752.32

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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.