Home / 137,054,111.80-205,581,167.70-128,551,055.80

Finding the Fourth Proportional to 137,054,111.80, 205,581,167.70 and 128,551,055.80

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Solution

The fourth proportional to 137,054,111.80, 205,581,167.70 and 128,551,055.80 is: 192,826,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,054,111.80 : 205,581,167.70 = 128,551,055.80 : x
  2. Step 2: Convert to fraction form
    137,054,111.80/205,581,167.70 = 128,551,055.80/x
  3. Step 3: Cross multiply
    137,054,111.80x = 205,581,167.70 × 128,551,055.80
  4. Step 4: Simplify right side
    137,054,111.80x = 26,427,676,160,431,856
  5. Step 5: Solve for x
    x = 26,427,676,160,431,856/137,054,111.80
  6. Step 6: Final answer
    x = 192,826,583.70

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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.