Home / 316,911,385.80-475,367,078.70-144,724,501.80

Finding the Fourth Proportional to 316,911,385.80, 475,367,078.70 and 144,724,501.80

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Solution

The fourth proportional to 316,911,385.80, 475,367,078.70 and 144,724,501.80 is: 217,086,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,911,385.80 : 475,367,078.70 = 144,724,501.80 : x
  2. Step 2: Convert to fraction form
    316,911,385.80/475,367,078.70 = 144,724,501.80/x
  3. Step 3: Cross multiply
    316,911,385.80x = 475,367,078.70 × 144,724,501.80
  4. Step 4: Simplify right side
    316,911,385.80x = 68,797,263,636,978,896
  5. Step 5: Solve for x
    x = 68,797,263,636,978,896/316,911,385.80
  6. Step 6: Final answer
    x = 217,086,752.70

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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.