Home / 81,742,169.01-122,613,253.55-56,105,455.17

Finding the Fourth Proportional to 81,742,169.01, 122,613,253.55 and 56,105,455.17

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Solution

The fourth proportional to 81,742,169.01, 122,613,253.55 and 56,105,455.17 is: 84,158,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,742,169.01 : 122,613,253.55 = 56,105,455.17 : x
  2. Step 2: Convert to fraction form
    81,742,169.01/122,613,253.55 = 56,105,455.17/x
  3. Step 3: Cross multiply
    81,742,169.01x = 122,613,253.55 × 56,105,455.17
  4. Step 4: Simplify right side
    81,742,169.01x = 6,879,272,400,016,841
  5. Step 5: Solve for x
    x = 6,879,272,400,016,841/81,742,169.01
  6. Step 6: Final answer
    x = 84,158,182.78

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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.