Home / 64,686,944.48-89,275,811.19-36,816,431

Finding the Fourth Proportional to 64,686,944.48, 89,275,811.19 and 36,816,431

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Solution

The fourth proportional to 64,686,944.48, 89,275,811.19 and 36,816,431 is: 50,811,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686,944.48 : 89,275,811.19 = 36,816,431 : x
  2. Step 2: Convert to fraction form
    64,686,944.48/89,275,811.19 = 36,816,431/x
  3. Step 3: Cross multiply
    64,686,944.48x = 89,275,811.19 × 36,816,431
  4. Step 4: Simplify right side
    64,686,944.48x = 3,286,816,742,645,663
  5. Step 5: Solve for x
    x = 3,286,816,742,645,663/64,686,944.48
  6. Step 6: Final answer
    x = 50,811,129.96

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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.