Home / 243,127,312.80-364,381,311.60-99,357,712.80

Finding the Fourth Proportional to 243,127,312.80, 364,381,311.60 and 99,357,712.80

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Solution

The fourth proportional to 243,127,312.80, 364,381,311.60 and 99,357,712.80 is: 148,910,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,127,312.80 : 364,381,311.60 = 99,357,712.80 : x
  2. Step 2: Convert to fraction form
    243,127,312.80/364,381,311.60 = 99,357,712.80/x
  3. Step 3: Cross multiply
    243,127,312.80x = 364,381,311.60 × 99,357,712.80
  4. Step 4: Simplify right side
    243,127,312.80x = 36,204,093,707,640,112
  5. Step 5: Solve for x
    x = 36,204,093,707,640,112/243,127,312.80
  6. Step 6: Final answer
    x = 148,910,022.86

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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.