Home / 80,407,212.84-120,624,269.31-63,134,714.52

Finding the Fourth Proportional to 80,407,212.84, 120,624,269.31 and 63,134,714.52

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Solution

The fourth proportional to 80,407,212.84, 120,624,269.31 and 63,134,714.52 is: 94,712,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,407,212.84 : 120,624,269.31 = 63,134,714.52 : x
  2. Step 2: Convert to fraction form
    80,407,212.84/120,624,269.31 = 63,134,714.52/x
  3. Step 3: Cross multiply
    80,407,212.84x = 120,624,269.31 × 63,134,714.52
  4. Step 4: Simplify right side
    80,407,212.84x = 7,615,578,807,070,448
  5. Step 5: Solve for x
    x = 7,615,578,807,070,448/80,407,212.84
  6. Step 6: Final answer
    x = 94,712,632.59

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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.