Home / 74,438,056.32-102,653,227.09-49,280,341.65

Finding the Fourth Proportional to 74,438,056.32, 102,653,227.09 and 49,280,341.65

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Solution

The fourth proportional to 74,438,056.32, 102,653,227.09 and 49,280,341.65 is: 67,959,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,438,056.32 : 102,653,227.09 = 49,280,341.65 : x
  2. Step 2: Convert to fraction form
    74,438,056.32/102,653,227.09 = 49,280,341.65/x
  3. Step 3: Cross multiply
    74,438,056.32x = 102,653,227.09 × 49,280,341.65
  4. Step 4: Simplify right side
    74,438,056.32x = 5,058,786,101,833,769
  5. Step 5: Solve for x
    x = 5,058,786,101,833,769/74,438,056.32
  6. Step 6: Final answer
    x = 67,959,674.83

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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.