Home / 101,712,407.22-140,362,131.81-55,302,661.14

Finding the Fourth Proportional to 101,712,407.22, 140,362,131.81 and 55,302,661.14

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Solution

The fourth proportional to 101,712,407.22, 140,362,131.81 and 55,302,661.14 is: 76,317,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,712,407.22 : 140,362,131.81 = 55,302,661.14 : x
  2. Step 2: Convert to fraction form
    101,712,407.22/140,362,131.81 = 55,302,661.14/x
  3. Step 3: Cross multiply
    101,712,407.22x = 140,362,131.81 × 55,302,661.14
  4. Step 4: Simplify right side
    101,712,407.22x = 7,762,399,412,376,445
  5. Step 5: Solve for x
    x = 7,762,399,412,376,445/101,712,407.22
  6. Step 6: Final answer
    x = 76,317,134.01

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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.