Home / 85,130,023.94-127,695,037.62-20,433,829.02

Finding the Fourth Proportional to 85,130,023.94, 127,695,037.62 and 20,433,829.02

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Solution

The fourth proportional to 85,130,023.94, 127,695,037.62 and 20,433,829.02 is: 30,650,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,130,023.94 : 127,695,037.62 = 20,433,829.02 : x
  2. Step 2: Convert to fraction form
    85,130,023.94/127,695,037.62 = 20,433,829.02/x
  3. Step 3: Cross multiply
    85,130,023.94x = 127,695,037.62 × 20,433,829.02
  4. Step 4: Simplify right side
    85,130,023.94x = 2,609,298,565,429,548
  5. Step 5: Solve for x
    x = 2,609,298,565,429,548/85,130,023.94
  6. Step 6: Final answer
    x = 30,650,743.94

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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.