Home / 135,174,010.98-186,543,803.10-76,445,458.32

Finding the Fourth Proportional to 135,174,010.98, 186,543,803.10 and 76,445,458.32

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Solution

The fourth proportional to 135,174,010.98, 186,543,803.10 and 76,445,458.32 is: 105,496,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,174,010.98 : 186,543,803.10 = 76,445,458.32 : x
  2. Step 2: Convert to fraction form
    135,174,010.98/186,543,803.10 = 76,445,458.32/x
  3. Step 3: Cross multiply
    135,174,010.98x = 186,543,803.10 × 76,445,458.32
  4. Step 4: Simplify right side
    135,174,010.98x = 14,260,426,524,735,336
  5. Step 5: Solve for x
    x = 14,260,426,524,735,336/135,174,010.98
  6. Step 6: Final answer
    x = 105,496,806.83

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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.