Home / 144,624,985.48-199,594,788.96-81,912,239.56

Finding the Fourth Proportional to 144,624,985.48, 199,594,788.96 and 81,912,239.56

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Solution

The fourth proportional to 144,624,985.48, 199,594,788.96 and 81,912,239.56 is: 113,045,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,624,985.48 : 199,594,788.96 = 81,912,239.56 : x
  2. Step 2: Convert to fraction form
    144,624,985.48/199,594,788.96 = 81,912,239.56/x
  3. Step 3: Cross multiply
    144,624,985.48x = 199,594,788.96 × 81,912,239.56
  4. Step 4: Simplify right side
    144,624,985.48x = 16,349,256,168,219,164
  5. Step 5: Solve for x
    x = 16,349,256,168,219,164/144,624,985.48
  6. Step 6: Final answer
    x = 113,045,862.12

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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.