Home / 105,789,689.20-158,684,533.80-88,783,577.20

Finding the Fourth Proportional to 105,789,689.20, 158,684,533.80 and 88,783,577.20

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Solution

The fourth proportional to 105,789,689.20, 158,684,533.80 and 88,783,577.20 is: 133,175,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,789,689.20 : 158,684,533.80 = 88,783,577.20 : x
  2. Step 2: Convert to fraction form
    105,789,689.20/158,684,533.80 = 88,783,577.20/x
  3. Step 3: Cross multiply
    105,789,689.20x = 158,684,533.80 × 88,783,577.20
  4. Step 4: Simplify right side
    105,789,689.20x = 14,088,580,557,078,310
  5. Step 5: Solve for x
    x = 14,088,580,557,078,310/105,789,689.20
  6. Step 6: Final answer
    x = 133,175,365.80

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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.