Home / 108,835,153.45-163,322,964.67-39,742,172.11

Finding the Fourth Proportional to 108,835,153.45, 163,322,964.67 and 39,742,172.11

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Solution

The fourth proportional to 108,835,153.45, 163,322,964.67 and 39,742,172.11 is: 59,638,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,835,153.45 : 163,322,964.67 = 39,742,172.11 : x
  2. Step 2: Convert to fraction form
    108,835,153.45/163,322,964.67 = 39,742,172.11/x
  3. Step 3: Cross multiply
    108,835,153.45x = 163,322,964.67 × 39,742,172.11
  4. Step 4: Simplify right side
    108,835,153.45x = 6,490,809,371,430,589
  5. Step 5: Solve for x
    x = 6,490,809,371,430,589/108,835,153.45
  6. Step 6: Final answer
    x = 59,638,904.95

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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.