Home / 143,802,025.40-215,703,038.10-57,553,743.80

Finding the Fourth Proportional to 143,802,025.40, 215,703,038.10 and 57,553,743.80

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Solution

The fourth proportional to 143,802,025.40, 215,703,038.10 and 57,553,743.80 is: 86,330,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,802,025.40 : 215,703,038.10 = 57,553,743.80 : x
  2. Step 2: Convert to fraction form
    143,802,025.40/215,703,038.10 = 57,553,743.80/x
  3. Step 3: Cross multiply
    143,802,025.40x = 215,703,038.10 × 57,553,743.80
  4. Step 4: Simplify right side
    143,802,025.40x = 12,414,517,391,689,038
  5. Step 5: Solve for x
    x = 12,414,517,391,689,038/143,802,025.40
  6. Step 6: Final answer
    x = 86,330,615.70

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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.