Home / 43,718,666.40-65,577,999.60-42,458,954.40

Finding the Fourth Proportional to 43,718,666.40, 65,577,999.60 and 42,458,954.40

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Solution

The fourth proportional to 43,718,666.40, 65,577,999.60 and 42,458,954.40 is: 63,688,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,718,666.40 : 65,577,999.60 = 42,458,954.40 : x
  2. Step 2: Convert to fraction form
    43,718,666.40/65,577,999.60 = 42,458,954.40/x
  3. Step 3: Cross multiply
    43,718,666.40x = 65,577,999.60 × 42,458,954.40
  4. Step 4: Simplify right side
    43,718,666.40x = 2,784,373,294,659,618
  5. Step 5: Solve for x
    x = 2,784,373,294,659,618/43,718,666.40
  6. Step 6: Final answer
    x = 63,688,431.60

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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.