Home / 130,225,780.58-179,704,977.60-77,304,750.32

Finding the Fourth Proportional to 130,225,780.58, 179,704,977.60 and 77,304,750.32

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Solution

The fourth proportional to 130,225,780.58, 179,704,977.60 and 77,304,750.32 is: 106,676,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,225,780.58 : 179,704,977.60 = 77,304,750.32 : x
  2. Step 2: Convert to fraction form
    130,225,780.58/179,704,977.60 = 77,304,750.32/x
  3. Step 3: Cross multiply
    130,225,780.58x = 179,704,977.60 × 77,304,750.32
  4. Step 4: Simplify right side
    130,225,780.58x = 13,892,048,424,629,192
  5. Step 5: Solve for x
    x = 13,892,048,424,629,192/130,225,780.58
  6. Step 6: Final answer
    x = 106,676,637.78

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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.