Home / 43,705,869.60-65,558,804.40-21,031,053.60

Finding the Fourth Proportional to 43,705,869.60, 65,558,804.40 and 21,031,053.60

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Solution

The fourth proportional to 43,705,869.60, 65,558,804.40 and 21,031,053.60 is: 31,546,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,705,869.60 : 65,558,804.40 = 21,031,053.60 : x
  2. Step 2: Convert to fraction form
    43,705,869.60/65,558,804.40 = 21,031,053.60/x
  3. Step 3: Cross multiply
    43,705,869.60x = 65,558,804.40 × 21,031,053.60
  4. Step 4: Simplify right side
    43,705,869.60x = 1,378,770,729,288,316
  5. Step 5: Solve for x
    x = 1,378,770,729,288,316/43,705,869.60
  6. Step 6: Final answer
    x = 31,546,580.40

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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.