Home / 91,453,189-126,205,539.04-49,637,269.32

Finding the Fourth Proportional to 91,453,189, 126,205,539.04 and 49,637,269.32

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Solution

The fourth proportional to 91,453,189, 126,205,539.04 and 49,637,269.32 is: 68,499,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,453,189 : 126,205,539.04 = 49,637,269.32 : x
  2. Step 2: Convert to fraction form
    91,453,189/126,205,539.04 = 49,637,269.32/x
  3. Step 3: Cross multiply
    91,453,189x = 126,205,539.04 × 49,637,269.32
  4. Step 4: Simplify right side
    91,453,189x = 6,264,498,331,004,255
  5. Step 5: Solve for x
    x = 6,264,498,331,004,255/91,453,189
  6. Step 6: Final answer
    x = 68,499,506.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.