Home / 318,078,668.48-477,168,494.88-102,617,528

Finding the Fourth Proportional to 318,078,668.48, 477,168,494.88 and 102,617,528

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Solution

The fourth proportional to 318,078,668.48, 477,168,494.88 and 102,617,528 is: 153,942,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,078,668.48 : 477,168,494.88 = 102,617,528 : x
  2. Step 2: Convert to fraction form
    318,078,668.48/477,168,494.88 = 102,617,528/x
  3. Step 3: Cross multiply
    318,078,668.48x = 477,168,494.88 × 102,617,528
  4. Step 4: Simplify right side
    318,078,668.48x = 48,965,851,384,066,256
  5. Step 5: Solve for x
    x = 48,965,851,384,066,256/318,078,668.48
  6. Step 6: Final answer
    x = 153,942,581.62

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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.