Home / 102,701,144.66-141,742,791.01-65,027,810.21

Finding the Fourth Proportional to 102,701,144.66, 141,742,791.01 and 65,027,810.21

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Solution

The fourth proportional to 102,701,144.66, 141,742,791.01 and 65,027,810.21 is: 89,748,009.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,701,144.66 : 141,742,791.01 = 65,027,810.21 : x
  2. Step 2: Convert to fraction form
    102,701,144.66/141,742,791.01 = 65,027,810.21/x
  3. Step 3: Cross multiply
    102,701,144.66x = 141,742,791.01 × 65,027,810.21
  4. Step 4: Simplify right side
    102,701,144.66x = 9,217,223,311,400,120
  5. Step 5: Solve for x
    x = 9,217,223,311,400,120/102,701,144.66
  6. Step 6: Final answer
    x = 89,748,009.55

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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.