Home / 143,068,596.50-197,423,406.96-81,188,934.86

Finding the Fourth Proportional to 143,068,596.50, 197,423,406.96 and 81,188,934.86

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Solution

The fourth proportional to 143,068,596.50, 197,423,406.96 and 81,188,934.86 is: 112,034,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,068,596.50 : 197,423,406.96 = 81,188,934.86 : x
  2. Step 2: Convert to fraction form
    143,068,596.50/197,423,406.96 = 81,188,934.86/x
  3. Step 3: Cross multiply
    143,068,596.50x = 197,423,406.96 × 81,188,934.86
  4. Step 4: Simplify right side
    143,068,596.50x = 16,028,596,127,514,712
  5. Step 5: Solve for x
    x = 16,028,596,127,514,712/143,068,596.50
  6. Step 6: Final answer
    x = 112,034,342.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.