Home / 77,464,934.61-106,899,273.36-42,657,812.61

Finding the Fourth Proportional to 77,464,934.61, 106,899,273.36 and 42,657,812.61

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Solution

The fourth proportional to 77,464,934.61, 106,899,273.36 and 42,657,812.61 is: 58,866,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,464,934.61 : 106,899,273.36 = 42,657,812.61 : x
  2. Step 2: Convert to fraction form
    77,464,934.61/106,899,273.36 = 42,657,812.61/x
  3. Step 3: Cross multiply
    77,464,934.61x = 106,899,273.36 × 42,657,812.61
  4. Step 4: Simplify right side
    77,464,934.61x = 4,560,089,171,136,045
  5. Step 5: Solve for x
    x = 4,560,089,171,136,045/77,464,934.61
  6. Step 6: Final answer
    x = 58,866,494.81

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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.