Home / 56,148,513.46-84,210,037.69-25,422,809.19

Finding the Fourth Proportional to 56,148,513.46, 84,210,037.69 and 25,422,809.19

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Solution

The fourth proportional to 56,148,513.46, 84,210,037.69 and 25,422,809.19 is: 38,128,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,148,513.46 : 84,210,037.69 = 25,422,809.19 : x
  2. Step 2: Convert to fraction form
    56,148,513.46/84,210,037.69 = 25,422,809.19/x
  3. Step 3: Cross multiply
    56,148,513.46x = 84,210,037.69 × 25,422,809.19
  4. Step 4: Simplify right side
    56,148,513.46x = 2,140,855,720,075,578.50
  5. Step 5: Solve for x
    x = 2,140,855,720,075,578.50/56,148,513.46
  6. Step 6: Final answer
    x = 38,128,448.79

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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.