Home / 359,640,403.20-539,460,604.80-129,632,738.40

Finding the Fourth Proportional to 359,640,403.20, 539,460,604.80 and 129,632,738.40

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Solution

The fourth proportional to 359,640,403.20, 539,460,604.80 and 129,632,738.40 is: 194,449,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,640,403.20 : 539,460,604.80 = 129,632,738.40 : x
  2. Step 2: Convert to fraction form
    359,640,403.20/539,460,604.80 = 129,632,738.40/x
  3. Step 3: Cross multiply
    359,640,403.20x = 539,460,604.80 × 129,632,738.40
  4. Step 4: Simplify right side
    359,640,403.20x = 69,931,755,459,144,184
  5. Step 5: Solve for x
    x = 69,931,755,459,144,184/359,640,403.20
  6. Step 6: Final answer
    x = 194,449,107.60

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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.