Home / 30,645,420.90-45,981,672.12-16,068,859.08

Finding the Fourth Proportional to 30,645,420.90, 45,981,672.12 and 16,068,859.08

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Solution

The fourth proportional to 30,645,420.90, 45,981,672.12 and 16,068,859.08 is: 24,110,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,420.90 : 45,981,672.12 = 16,068,859.08 : x
  2. Step 2: Convert to fraction form
    30,645,420.90/45,981,672.12 = 16,068,859.08/x
  3. Step 3: Cross multiply
    30,645,420.90x = 45,981,672.12 × 16,068,859.08
  4. Step 4: Simplify right side
    30,645,420.90x = 738,873,009,559,044.75
  5. Step 5: Solve for x
    x = 738,873,009,559,044.75/30,645,420.90
  6. Step 6: Final answer
    x = 24,110,388.69

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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.