Home / 91,150,144.12-125,779,216.94-51,455,487.23

Finding the Fourth Proportional to 91,150,144.12, 125,779,216.94 and 51,455,487.23

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Solution

The fourth proportional to 91,150,144.12, 125,779,216.94 and 51,455,487.23 is: 71,004,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,150,144.12 : 125,779,216.94 = 51,455,487.23 : x
  2. Step 2: Convert to fraction form
    91,150,144.12/125,779,216.94 = 51,455,487.23/x
  3. Step 3: Cross multiply
    91,150,144.12x = 125,779,216.94 × 51,455,487.23
  4. Step 4: Simplify right side
    91,150,144.12x = 6,472,030,890,834,026
  5. Step 5: Solve for x
    x = 6,472,030,890,834,026/91,150,144.12
  6. Step 6: Final answer
    x = 71,004,066.46

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1.5x scale

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.