Home / 170,430,261.64-255,656,154.42-72,043,622.20

Finding the Fourth Proportional to 170,430,261.64, 255,656,154.42 and 72,043,622.20

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Solution

The fourth proportional to 170,430,261.64, 255,656,154.42 and 72,043,622.20 is: 108,069,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,430,261.64 : 255,656,154.42 = 72,043,622.20 : x
  2. Step 2: Convert to fraction form
    170,430,261.64/255,656,154.42 = 72,043,622.20/x
  3. Step 3: Cross multiply
    170,430,261.64x = 255,656,154.42 × 72,043,622.20
  4. Step 4: Simplify right side
    170,430,261.64x = 18,418,395,402,139,340
  5. Step 5: Solve for x
    x = 18,418,395,402,139,340/170,430,261.64
  6. Step 6: Final answer
    x = 108,069,982.55

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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.