Home / 76,140,233.20-114,210,349.80-40,308,425.20

Finding the Fourth Proportional to 76,140,233.20, 114,210,349.80 and 40,308,425.20

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Solution

The fourth proportional to 76,140,233.20, 114,210,349.80 and 40,308,425.20 is: 60,462,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,140,233.20 : 114,210,349.80 = 40,308,425.20 : x
  2. Step 2: Convert to fraction form
    76,140,233.20/114,210,349.80 = 40,308,425.20/x
  3. Step 3: Cross multiply
    76,140,233.20x = 114,210,349.80 × 40,308,425.20
  4. Step 4: Simplify right side
    76,140,233.20x = 4,603,639,341,979,135
  5. Step 5: Solve for x
    x = 4,603,639,341,979,135/76,140,233.20
  6. Step 6: Final answer
    x = 60,462,637.80

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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.