Home / 102,458,579.40-141,392,416.59-55,415,705.04

Finding the Fourth Proportional to 102,458,579.40, 141,392,416.59 and 55,415,705.04

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Solution

The fourth proportional to 102,458,579.40, 141,392,416.59 and 55,415,705.04 is: 76,473,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,458,579.40 : 141,392,416.59 = 55,415,705.04 : x
  2. Step 2: Convert to fraction form
    102,458,579.40/141,392,416.59 = 55,415,705.04/x
  3. Step 3: Cross multiply
    102,458,579.40x = 141,392,416.59 × 55,415,705.04
  4. Step 4: Simplify right side
    102,458,579.40x = 7,835,360,452,644,243
  5. Step 5: Solve for x
    x = 7,835,360,452,644,243/102,458,579.40
  6. Step 6: Final answer
    x = 76,473,444.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.