Home / 219,877,718.40-329,816,577.60-168,221,653.20

Finding the Fourth Proportional to 219,877,718.40, 329,816,577.60 and 168,221,653.20

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Solution

The fourth proportional to 219,877,718.40, 329,816,577.60 and 168,221,653.20 is: 252,332,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,877,718.40 : 329,816,577.60 = 168,221,653.20 : x
  2. Step 2: Convert to fraction form
    219,877,718.40/329,816,577.60 = 168,221,653.20/x
  3. Step 3: Cross multiply
    219,877,718.40x = 329,816,577.60 × 168,221,653.20
  4. Step 4: Simplify right side
    219,877,718.40x = 55,482,289,936,638,088
  5. Step 5: Solve for x
    x = 55,482,289,936,638,088/219,877,718.40
  6. Step 6: Final answer
    x = 252,332,479.80

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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.