Home / 106,333,106.58-146,766,987.46-69,255,777.78

Finding the Fourth Proportional to 106,333,106.58, 146,766,987.46 and 69,255,777.78

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Solution

The fourth proportional to 106,333,106.58, 146,766,987.46 and 69,255,777.78 is: 95,590,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,333,106.58 : 146,766,987.46 = 69,255,777.78 : x
  2. Step 2: Convert to fraction form
    106,333,106.58/146,766,987.46 = 69,255,777.78/x
  3. Step 3: Cross multiply
    106,333,106.58x = 146,766,987.46 × 69,255,777.78
  4. Step 4: Simplify right side
    106,333,106.58x = 10,164,461,868,969,808
  5. Step 5: Solve for x
    x = 10,164,461,868,969,808/106,333,106.58
  6. Step 6: Final answer
    x = 95,590,754.34

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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.