Home / 138,956,607.03-191,783,116.50-77,096,874.63

Finding the Fourth Proportional to 138,956,607.03, 191,783,116.50 and 77,096,874.63

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Solution

The fourth proportional to 138,956,607.03, 191,783,116.50 and 77,096,874.63 is: 106,406,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,956,607.03 : 191,783,116.50 = 77,096,874.63 : x
  2. Step 2: Convert to fraction form
    138,956,607.03/191,783,116.50 = 77,096,874.63/x
  3. Step 3: Cross multiply
    138,956,607.03x = 191,783,116.50 × 77,096,874.63
  4. Step 4: Simplify right side
    138,956,607.03x = 14,785,878,888,951,184
  5. Step 5: Solve for x
    x = 14,785,878,888,951,184/138,956,607.03
  6. Step 6: Final answer
    x = 106,406,447.34

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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.