Home / 106,983,225.60-160,474,838.40-68,687,980.80

Finding the Fourth Proportional to 106,983,225.60, 160,474,838.40 and 68,687,980.80

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Solution

The fourth proportional to 106,983,225.60, 160,474,838.40 and 68,687,980.80 is: 103,031,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,983,225.60 : 160,474,838.40 = 68,687,980.80 : x
  2. Step 2: Convert to fraction form
    106,983,225.60/160,474,838.40 = 68,687,980.80/x
  3. Step 3: Cross multiply
    106,983,225.60x = 160,474,838.40 × 68,687,980.80
  4. Step 4: Simplify right side
    106,983,225.60x = 11,022,692,618,902,302
  5. Step 5: Solve for x
    x = 11,022,692,618,902,302/106,983,225.60
  6. Step 6: Final answer
    x = 103,031,971.20

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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.