Home / 145,856,867.67-201,238,779.38-83,975,615.19

Finding the Fourth Proportional to 145,856,867.67, 201,238,779.38 and 83,975,615.19

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Solution

The fourth proportional to 145,856,867.67, 201,238,779.38 and 83,975,615.19 is: 115,861,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,856,867.67 : 201,238,779.38 = 83,975,615.19 : x
  2. Step 2: Convert to fraction form
    145,856,867.67/201,238,779.38 = 83,975,615.19/x
  3. Step 3: Cross multiply
    145,856,867.67x = 201,238,779.38 × 83,975,615.19
  4. Step 4: Simplify right side
    145,856,867.67x = 16,899,150,298,100,308
  5. Step 5: Solve for x
    x = 16,899,150,298,100,308/145,856,867.67
  6. Step 6: Final answer
    x = 115,861,190.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.