Home / 108,835,152.45-163,322,963.17-39,742,171.11

Finding the Fourth Proportional to 108,835,152.45, 163,322,963.17 and 39,742,171.11

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Solution

The fourth proportional to 108,835,152.45, 163,322,963.17 and 39,742,171.11 is: 59,638,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,835,152.45 : 163,322,963.17 = 39,742,171.11 : x
  2. Step 2: Convert to fraction form
    108,835,152.45/163,322,963.17 = 39,742,171.11/x
  3. Step 3: Cross multiply
    108,835,152.45x = 163,322,963.17 × 39,742,171.11
  4. Step 4: Simplify right side
    108,835,152.45x = 6,490,809,148,395,012
  5. Step 5: Solve for x
    x = 6,490,809,148,395,012/108,835,152.45
  6. Step 6: Final answer
    x = 59,638,903.45

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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.