Home / 138,956,604.03-191,783,112.35-77,096,871.63

Finding the Fourth Proportional to 138,956,604.03, 191,783,112.35 and 77,096,871.63

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Solution

The fourth proportional to 138,956,604.03, 191,783,112.35 and 77,096,871.63 is: 106,406,443.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,956,604.03 : 191,783,112.35 = 77,096,871.63 : x
  2. Step 2: Convert to fraction form
    138,956,604.03/191,783,112.35 = 77,096,871.63/x
  3. Step 3: Cross multiply
    138,956,604.03x = 191,783,112.35 × 77,096,871.63
  4. Step 4: Simplify right side
    138,956,604.03x = 14,785,877,993,264,332
  5. Step 5: Solve for x
    x = 14,785,877,993,264,332/138,956,604.03
  6. Step 6: Final answer
    x = 106,406,443.19

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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.