Home / 134,864,560.46-186,113,018.63-76,127,732.84

Finding the Fourth Proportional to 134,864,560.46, 186,113,018.63 and 76,127,732.84

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Solution

The fourth proportional to 134,864,560.46, 186,113,018.63 and 76,127,732.84 is: 105,056,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,864,560.46 : 186,113,018.63 = 76,127,732.84 : x
  2. Step 2: Convert to fraction form
    134,864,560.46/186,113,018.63 = 76,127,732.84/x
  3. Step 3: Cross multiply
    134,864,560.46x = 186,113,018.63 × 76,127,732.84
  4. Step 4: Simplify right side
    134,864,560.46x = 14,168,362,158,999,378
  5. Step 5: Solve for x
    x = 14,168,362,158,999,378/134,864,560.46
  6. Step 6: Final answer
    x = 105,056,229.09

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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.