Home / 86,356,502.40-129,451,809.60-49,927,497.60

Finding the Fourth Proportional to 86,356,502.40, 129,451,809.60 and 49,927,497.60

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Solution

The fourth proportional to 86,356,502.40, 129,451,809.60 and 49,927,497.60 is: 74,843,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,356,502.40 : 129,451,809.60 = 49,927,497.60 : x
  2. Step 2: Convert to fraction form
    86,356,502.40/129,451,809.60 = 49,927,497.60/x
  3. Step 3: Cross multiply
    86,356,502.40x = 129,451,809.60 × 49,927,497.60
  4. Step 4: Simplify right side
    86,356,502.40x = 6,463,204,913,119,657
  5. Step 5: Solve for x
    x = 6,463,204,913,119,657/86,356,502.40
  6. Step 6: Final answer
    x = 74,843,291.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.