Home / 105,789,691.20-158,684,536.80-88,783,579.20

Finding the Fourth Proportional to 105,789,691.20, 158,684,536.80 and 88,783,579.20

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Solution

The fourth proportional to 105,789,691.20, 158,684,536.80 and 88,783,579.20 is: 133,175,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,789,691.20 : 158,684,536.80 = 88,783,579.20 : x
  2. Step 2: Convert to fraction form
    105,789,691.20/158,684,536.80 = 88,783,579.20/x
  3. Step 3: Cross multiply
    105,789,691.20x = 158,684,536.80 × 88,783,579.20
  4. Step 4: Simplify right side
    105,789,691.20x = 14,088,581,140,798,116
  5. Step 5: Solve for x
    x = 14,088,581,140,798,116/105,789,691.20
  6. Step 6: Final answer
    x = 133,175,368.80

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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.