Home / 144,828,476.40-217,242,714.60-83,606,473.20

Finding the Fourth Proportional to 144,828,476.40, 217,242,714.60 and 83,606,473.20

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Solution

The fourth proportional to 144,828,476.40, 217,242,714.60 and 83,606,473.20 is: 125,409,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,476.40 : 217,242,714.60 = 83,606,473.20 : x
  2. Step 2: Convert to fraction form
    144,828,476.40/217,242,714.60 = 83,606,473.20/x
  3. Step 3: Cross multiply
    144,828,476.40x = 217,242,714.60 × 83,606,473.20
  4. Step 4: Simplify right side
    144,828,476.40x = 18,162,897,196,100,148
  5. Step 5: Solve for x
    x = 18,162,897,196,100,148/144,828,476.40
  6. Step 6: Final answer
    x = 125,409,709.80

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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.