Home / 359,502,911.19-539,285,105.16-126,313,354.23

Finding the Fourth Proportional to 359,502,911.19, 539,285,105.16 and 126,313,354.23

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Solution

The fourth proportional to 359,502,911.19, 539,285,105.16 and 126,313,354.23 is: 189,480,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,502,911.19 : 539,285,105.16 = 126,313,354.23 : x
  2. Step 2: Convert to fraction form
    359,502,911.19/539,285,105.16 = 126,313,354.23/x
  3. Step 3: Cross multiply
    359,502,911.19x = 539,285,105.16 × 126,313,354.23
  4. Step 4: Simplify right side
    359,502,911.19x = 68,118,910,519,037,880
  5. Step 5: Solve for x
    x = 68,118,910,519,037,880/359,502,911.19
  6. Step 6: Final answer
    x = 189,480,831.44

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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.