Home / 78,804,543.30-118,206,814.95-48,571,455.30

Finding the Fourth Proportional to 78,804,543.30, 118,206,814.95 and 48,571,455.30

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Solution

The fourth proportional to 78,804,543.30, 118,206,814.95 and 48,571,455.30 is: 72,857,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,804,543.30 : 118,206,814.95 = 48,571,455.30 : x
  2. Step 2: Convert to fraction form
    78,804,543.30/118,206,814.95 = 48,571,455.30/x
  3. Step 3: Cross multiply
    78,804,543.30x = 118,206,814.95 × 48,571,455.30
  4. Step 4: Simplify right side
    78,804,543.30x = 5,741,477,028,499,297
  5. Step 5: Solve for x
    x = 5,741,477,028,499,297/78,804,543.30
  6. Step 6: Final answer
    x = 72,857,182.95

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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.