Home / 103,534,828.05-142,929,834.96-64,389,217.51

Finding the Fourth Proportional to 103,534,828.05, 142,929,834.96 and 64,389,217.51

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Solution

The fourth proportional to 103,534,828.05, 142,929,834.96 and 64,389,217.51 is: 88,889,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,534,828.05 : 142,929,834.96 = 64,389,217.51 : x
  2. Step 2: Convert to fraction form
    103,534,828.05/142,929,834.96 = 64,389,217.51/x
  3. Step 3: Cross multiply
    103,534,828.05x = 142,929,834.96 × 64,389,217.51
  4. Step 4: Simplify right side
    103,534,828.05x = 9,203,140,232,327,964
  5. Step 5: Solve for x
    x = 9,203,140,232,327,964/103,534,828.05
  6. Step 6: Final answer
    x = 88,889,317.78

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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.