Home / 144,625,041.06-199,594,865.44-81,912,295.10

Finding the Fourth Proportional to 144,625,041.06, 199,594,865.44 and 81,912,295.10

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Solution

The fourth proportional to 144,625,041.06, 199,594,865.44 and 81,912,295.10 is: 113,045,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,625,041.06 : 199,594,865.44 = 81,912,295.10 : x
  2. Step 2: Convert to fraction form
    144,625,041.06/199,594,865.44 = 81,912,295.10/x
  3. Step 3: Cross multiply
    144,625,041.06x = 199,594,865.44 × 81,912,295.10
  4. Step 4: Simplify right side
    144,625,041.06x = 16,349,273,518,660,280
  5. Step 5: Solve for x
    x = 16,349,273,518,660,280/144,625,041.06
  6. Step 6: Final answer
    x = 113,045,938.65

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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.