Home / 143,842,382.80-215,784,569.40-46,781,573.20

Finding the Fourth Proportional to 143,842,382.80, 215,784,569.40 and 46,781,573.20

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Solution

The fourth proportional to 143,842,382.80, 215,784,569.40 and 46,781,573.20 is: 70,179,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,842,382.80 : 215,784,569.40 = 46,781,573.20 : x
  2. Step 2: Convert to fraction form
    143,842,382.80/215,784,569.40 = 46,781,573.20/x
  3. Step 3: Cross multiply
    143,842,382.80x = 215,784,569.40 × 46,781,573.20
  4. Step 4: Simplify right side
    143,842,382.80x = 10,094,741,628,816,582
  5. Step 5: Solve for x
    x = 10,094,741,628,816,582/143,842,382.80
  6. Step 6: Final answer
    x = 70,179,188.03

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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.