Home / 43,939,918.80-65,909,878.20-42,148,328.40

Finding the Fourth Proportional to 43,939,918.80, 65,909,878.20 and 42,148,328.40

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Solution

The fourth proportional to 43,939,918.80, 65,909,878.20 and 42,148,328.40 is: 63,222,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939,918.80 : 65,909,878.20 = 42,148,328.40 : x
  2. Step 2: Convert to fraction form
    43,939,918.80/65,909,878.20 = 42,148,328.40/x
  3. Step 3: Cross multiply
    43,939,918.80x = 65,909,878.20 × 42,148,328.40
  4. Step 4: Simplify right side
    43,939,918.80x = 2,777,991,191,177,601
  5. Step 5: Solve for x
    x = 2,777,991,191,177,601/43,939,918.80
  6. Step 6: Final answer
    x = 63,222,492.60

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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.