Home / 143,892,595.36-215,802,938.40-56,471,867.92

Finding the Fourth Proportional to 143,892,595.36, 215,802,938.40 and 56,471,867.92

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Solution

The fourth proportional to 143,892,595.36, 215,802,938.40 and 56,471,867.92 is: 84,693,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,892,595.36 : 215,802,938.40 = 56,471,867.92 : x
  2. Step 2: Convert to fraction form
    143,892,595.36/215,802,938.40 = 56,471,867.92/x
  3. Step 3: Cross multiply
    143,892,595.36x = 215,802,938.40 × 56,471,867.92
  4. Step 4: Simplify right side
    143,892,595.36x = 12,186,795,034,072,696
  5. Step 5: Solve for x
    x = 12,186,795,034,072,696/143,892,595.36
  6. Step 6: Final answer
    x = 84,693,691.18

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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.