Home / 49,161,412.16-67,832,620.68-28,249,404.32

Finding the Fourth Proportional to 49,161,412.16, 67,832,620.68 and 28,249,404.32

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Solution

The fourth proportional to 49,161,412.16, 67,832,620.68 and 28,249,404.32 is: 38,978,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,161,412.16 : 67,832,620.68 = 28,249,404.32 : x
  2. Step 2: Convert to fraction form
    49,161,412.16/67,832,620.68 = 28,249,404.32/x
  3. Step 3: Cross multiply
    49,161,412.16x = 67,832,620.68 × 28,249,404.32
  4. Step 4: Simplify right side
    49,161,412.16x = 1,916,231,127,674,513.50
  5. Step 5: Solve for x
    x = 1,916,231,127,674,513.50/49,161,412.16
  6. Step 6: Final answer
    x = 38,978,358.10

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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.