Home / 99,054,994.60-136,712,120.58-57,801,759.40

Finding the Fourth Proportional to 99,054,994.60, 136,712,120.58 and 57,801,759.40

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Solution

The fourth proportional to 99,054,994.60, 136,712,120.58 and 57,801,759.40 is: 79,775,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,054,994.60 : 136,712,120.58 = 57,801,759.40 : x
  2. Step 2: Convert to fraction form
    99,054,994.60/136,712,120.58 = 57,801,759.40/x
  3. Step 3: Cross multiply
    99,054,994.60x = 136,712,120.58 × 57,801,759.40
  4. Step 4: Simplify right side
    99,054,994.60x = 7,902,201,100,828,949
  5. Step 5: Solve for x
    x = 7,902,201,100,828,949/99,054,994.60
  6. Step 6: Final answer
    x = 79,775,897.55

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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.