Home / 108,835,152.68-163,322,963.51-39,742,171.34

Finding the Fourth Proportional to 108,835,152.68, 163,322,963.51 and 39,742,171.34

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Solution

The fourth proportional to 108,835,152.68, 163,322,963.51 and 39,742,171.34 is: 59,638,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,835,152.68 : 163,322,963.51 = 39,742,171.34 : x
  2. Step 2: Convert to fraction form
    108,835,152.68/163,322,963.51 = 39,742,171.34/x
  3. Step 3: Cross multiply
    108,835,152.68x = 163,322,963.51 × 39,742,171.34
  4. Step 4: Simplify right side
    108,835,152.68x = 6,490,809,199,570,988
  5. Step 5: Solve for x
    x = 6,490,809,199,570,988/108,835,152.68
  6. Step 6: Final answer
    x = 59,638,903.79

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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.