Home / 42,763,276.53-64,150,877.21-13,221,878.72

Finding the Fourth Proportional to 42,763,276.53, 64,150,877.21 and 13,221,878.72

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Solution

The fourth proportional to 42,763,276.53, 64,150,877.21 and 13,221,878.72 is: 19,834,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,763,276.53 : 64,150,877.21 = 13,221,878.72 : x
  2. Step 2: Convert to fraction form
    42,763,276.53/64,150,877.21 = 13,221,878.72/x
  3. Step 3: Cross multiply
    42,763,276.53x = 64,150,877.21 × 13,221,878.72
  4. Step 4: Simplify right side
    42,763,276.53x = 848,195,118,252,232
  5. Step 5: Solve for x
    x = 848,195,118,252,232/42,763,276.53
  6. Step 6: Final answer
    x = 19,834,661.59

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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.