Home / 85,229,535,533.62-127,872,695,517.88-28,575,004,617.94

Finding the Fourth Proportional to 85,229,535,533.62, 127,872,695,517.88 and 28,575,004,617.94

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Solution

The fourth proportional to 85,229,535,533.62, 127,872,695,517.88 and 28,575,004,617.94 is: 42,872,026,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229,535,533.62 : 127,872,695,517.88 = 28,575,004,617.94 : x
  2. Step 2: Convert to fraction form
    85,229,535,533.62/127,872,695,517.88 = 28,575,004,617.94/x
  3. Step 3: Cross multiply
    85,229,535,533.62x = 127,872,695,517.88 × 28,575,004,617.94
  4. Step 4: Simplify right side
    85,229,535,533.62x = 3,653,962,864,931,856,449,536
  5. Step 5: Solve for x
    x = 3,653,962,864,931,856,449,536/85,229,535,533.62
  6. Step 6: Final answer
    x = 42,872,026,018.38

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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.