Home / 64,805,211.39-89,423,846.76-38,344,376.51

Finding the Fourth Proportional to 64,805,211.39, 89,423,846.76 and 38,344,376.51

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Solution

The fourth proportional to 64,805,211.39, 89,423,846.76 and 38,344,376.51 is: 52,910,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,805,211.39 : 89,423,846.76 = 38,344,376.51 : x
  2. Step 2: Convert to fraction form
    64,805,211.39/89,423,846.76 = 38,344,376.51/x
  3. Step 3: Cross multiply
    64,805,211.39x = 89,423,846.76 × 38,344,376.51
  4. Step 4: Simplify right side
    64,805,211.39x = 3,428,901,649,457,317.50
  5. Step 5: Solve for x
    x = 3,428,901,649,457,317.50/64,805,211.39
  6. Step 6: Final answer
    x = 52,910,893.68

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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.