Home / 136,818,133.77-205,554,604.47-87,730,161.54

Finding the Fourth Proportional to 136,818,133.77, 205,554,604.47 and 87,730,161.54

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Solution

The fourth proportional to 136,818,133.77, 205,554,604.47 and 87,730,161.54 is: 131,805,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,818,133.77 : 205,554,604.47 = 87,730,161.54 : x
  2. Step 2: Convert to fraction form
    136,818,133.77/205,554,604.47 = 87,730,161.54/x
  3. Step 3: Cross multiply
    136,818,133.77x = 205,554,604.47 × 87,730,161.54
  4. Step 4: Simplify right side
    136,818,133.77x = 18,033,338,655,443,908
  5. Step 5: Solve for x
    x = 18,033,338,655,443,908/136,818,133.77
  6. Step 6: Final answer
    x = 131,805,179.32

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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.