Home / 76,268,948.36-105,285,076.98-45,339,130.76

Finding the Fourth Proportional to 76,268,948.36, 105,285,076.98 and 45,339,130.76

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Solution

The fourth proportional to 76,268,948.36, 105,285,076.98 and 45,339,130.76 is: 62,588,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,268,948.36 : 105,285,076.98 = 45,339,130.76 : x
  2. Step 2: Convert to fraction form
    76,268,948.36/105,285,076.98 = 45,339,130.76/x
  3. Step 3: Cross multiply
    76,268,948.36x = 105,285,076.98 × 45,339,130.76
  4. Step 4: Simplify right side
    76,268,948.36x = 4,773,533,872,272,886
  5. Step 5: Solve for x
    x = 4,773,533,872,272,886/76,268,948.36
  6. Step 6: Final answer
    x = 62,588,169.56

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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.