Home / 77,308,491.96-106,685,787.42-42,501,774.60

Finding the Fourth Proportional to 77,308,491.96, 106,685,787.42 and 42,501,774.60

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Solution

The fourth proportional to 77,308,491.96, 106,685,787.42 and 42,501,774.60 is: 58,652,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,308,491.96 : 106,685,787.42 = 42,501,774.60 : x
  2. Step 2: Convert to fraction form
    77,308,491.96/106,685,787.42 = 42,501,774.60/x
  3. Step 3: Cross multiply
    77,308,491.96x = 106,685,787.42 × 42,501,774.60
  4. Step 4: Simplify right side
    77,308,491.96x = 4,534,335,289,948,356
  5. Step 5: Solve for x
    x = 4,534,335,289,948,356/77,308,491.96
  6. Step 6: Final answer
    x = 58,652,486.62

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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.