Home / 76,778,807.94-105,955,459.92-43,738,567.38

Finding the Fourth Proportional to 76,778,807.94, 105,955,459.92 and 43,738,567.38

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Solution

The fourth proportional to 76,778,807.94, 105,955,459.92 and 43,738,567.38 is: 60,359,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,778,807.94 : 105,955,459.92 = 43,738,567.38 : x
  2. Step 2: Convert to fraction form
    76,778,807.94/105,955,459.92 = 43,738,567.38/x
  3. Step 3: Cross multiply
    76,778,807.94x = 105,955,459.92 × 43,738,567.38
  4. Step 4: Simplify right side
    76,778,807.94x = 4,634,340,022,989,810
  5. Step 5: Solve for x
    x = 4,634,340,022,989,810/76,778,807.94
  6. Step 6: Final answer
    x = 60,359,624.58

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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.