Home / 242,722,804.80-364,131,446.40-70,205,246.40

Finding the Fourth Proportional to 242,722,804.80, 364,131,446.40 and 70,205,246.40

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Solution

The fourth proportional to 242,722,804.80, 364,131,446.40 and 70,205,246.40 is: 105,321,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,722,804.80 : 364,131,446.40 = 70,205,246.40 : x
  2. Step 2: Convert to fraction form
    242,722,804.80/364,131,446.40 = 70,205,246.40/x
  3. Step 3: Cross multiply
    242,722,804.80x = 364,131,446.40 × 70,205,246.40
  4. Step 4: Simplify right side
    242,722,804.80x = 25,563,937,916,500,392
  5. Step 5: Solve for x
    x = 25,563,937,916,500,392/242,722,804.80
  6. Step 6: Final answer
    x = 105,321,533.09

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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.