Home / 76,630,519.16-114,845,973.78-31,139,130.68

Finding the Fourth Proportional to 76,630,519.16, 114,845,973.78 and 31,139,130.68

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Solution

The fourth proportional to 76,630,519.16, 114,845,973.78 and 31,139,130.68 is: 46,668,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,630,519.16 : 114,845,973.78 = 31,139,130.68 : x
  2. Step 2: Convert to fraction form
    76,630,519.16/114,845,973.78 = 31,139,130.68/x
  3. Step 3: Cross multiply
    76,630,519.16x = 114,845,973.78 × 31,139,130.68
  4. Step 4: Simplify right side
    76,630,519.16x = 3,576,203,785,607,273.50
  5. Step 5: Solve for x
    x = 3,576,203,785,607,273.50/76,630,519.16
  6. Step 6: Final answer
    x = 46,668,139.86

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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.