Home / 106,677,346.60-160,016,019.90-72,239,969.80

Finding the Fourth Proportional to 106,677,346.60, 160,016,019.90 and 72,239,969.80

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Solution

The fourth proportional to 106,677,346.60, 160,016,019.90 and 72,239,969.80 is: 108,359,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,677,346.60 : 160,016,019.90 = 72,239,969.80 : x
  2. Step 2: Convert to fraction form
    106,677,346.60/160,016,019.90 = 72,239,969.80/x
  3. Step 3: Cross multiply
    106,677,346.60x = 160,016,019.90 × 72,239,969.80
  4. Step 4: Simplify right side
    106,677,346.60x = 11,559,552,445,092,198
  5. Step 5: Solve for x
    x = 11,559,552,445,092,198/106,677,346.60
  6. Step 6: Final answer
    x = 108,359,954.70

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1.5x scale

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.