Home / 53,239,599.56-79,695,754.07-45,385,473.51

Finding the Fourth Proportional to 53,239,599.56, 79,695,754.07 and 45,385,473.51

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Solution

The fourth proportional to 53,239,599.56, 79,695,754.07 and 45,385,473.51 is: 67,938,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239,599.56 : 79,695,754.07 = 45,385,473.51 : x
  2. Step 2: Convert to fraction form
    53,239,599.56/79,695,754.07 = 45,385,473.51/x
  3. Step 3: Cross multiply
    53,239,599.56x = 79,695,754.07 × 45,385,473.51
  4. Step 4: Simplify right side
    53,239,599.56x = 3,617,029,534,976,532
  5. Step 5: Solve for x
    x = 3,617,029,534,976,532/53,239,599.56
  6. Step 6: Final answer
    x = 67,938,706.61

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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.