Home / 64,686,920.72-89,275,778.64-36,816,407.52

Finding the Fourth Proportional to 64,686,920.72, 89,275,778.64 and 36,816,407.52

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Solution

The fourth proportional to 64,686,920.72, 89,275,778.64 and 36,816,407.52 is: 50,811,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686,920.72 : 89,275,778.64 = 36,816,407.52 : x
  2. Step 2: Convert to fraction form
    64,686,920.72/89,275,778.64 = 36,816,407.52/x
  3. Step 3: Cross multiply
    64,686,920.72x = 89,275,778.64 × 36,816,407.52
  4. Step 4: Simplify right side
    64,686,920.72x = 3,286,813,448,075,551.50
  5. Step 5: Solve for x
    x = 3,286,813,448,075,551.50/64,686,920.72
  6. Step 6: Final answer
    x = 50,811,097.69

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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.