Home / 136,863,208.96-188,871,363.84-74,139,447.04

Finding the Fourth Proportional to 136,863,208.96, 188,871,363.84 and 74,139,447.04

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Solution

The fourth proportional to 136,863,208.96, 188,871,363.84 and 74,139,447.04 is: 102,312,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,863,208.96 : 188,871,363.84 = 74,139,447.04 : x
  2. Step 2: Convert to fraction form
    136,863,208.96/188,871,363.84 = 74,139,447.04/x
  3. Step 3: Cross multiply
    136,863,208.96x = 188,871,363.84 × 74,139,447.04
  4. Step 4: Simplify right side
    136,863,208.96x = 14,002,818,476,788,252
  5. Step 5: Solve for x
    x = 14,002,818,476,788,252/136,863,208.96
  6. Step 6: Final answer
    x = 102,312,510.30

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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.