Home / 77,299,368.72-106,673,474.52-42,494,301.60

Finding the Fourth Proportional to 77,299,368.72, 106,673,474.52 and 42,494,301.60

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Solution

The fourth proportional to 77,299,368.72, 106,673,474.52 and 42,494,301.60 is: 58,642,326.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,299,368.72 : 106,673,474.52 = 42,494,301.60 : x
  2. Step 2: Convert to fraction form
    77,299,368.72/106,673,474.52 = 42,494,301.60/x
  3. Step 3: Cross multiply
    77,299,368.72x = 106,673,474.52 × 42,494,301.60
  4. Step 4: Simplify right side
    77,299,368.72x = 4,533,014,798,972,795
  5. Step 5: Solve for x
    x = 4,533,014,798,972,795/77,299,368.72
  6. Step 6: Final answer
    x = 58,642,326.24

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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.