Home / 102,914,210.61-142,003,083.69-58,259,881.80

Finding the Fourth Proportional to 102,914,210.61, 142,003,083.69 and 58,259,881.80

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Solution

The fourth proportional to 102,914,210.61, 142,003,083.69 and 58,259,881.80 is: 80,388,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,914,210.61 : 142,003,083.69 = 58,259,881.80 : x
  2. Step 2: Convert to fraction form
    102,914,210.61/142,003,083.69 = 58,259,881.80/x
  3. Step 3: Cross multiply
    102,914,210.61x = 142,003,083.69 × 58,259,881.80
  4. Step 4: Simplify right side
    102,914,210.61x = 8,273,082,871,014,907
  5. Step 5: Solve for x
    x = 8,273,082,871,014,907/102,914,210.61
  6. Step 6: Final answer
    x = 80,388,148.75

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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.