Home / 103,140,145.60-154,657,074.30-38,410,631.80

Finding the Fourth Proportional to 103,140,145.60, 154,657,074.30 and 38,410,631.80

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Solution

The fourth proportional to 103,140,145.60, 154,657,074.30 and 38,410,631.80 is: 57,596,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,140,145.60 : 154,657,074.30 = 38,410,631.80 : x
  2. Step 2: Convert to fraction form
    103,140,145.60/154,657,074.30 = 38,410,631.80/x
  3. Step 3: Cross multiply
    103,140,145.60x = 154,657,074.30 × 38,410,631.80
  4. Step 4: Simplify right side
    103,140,145.60x = 5,940,475,936,202,543
  5. Step 5: Solve for x
    x = 5,940,475,936,202,543/103,140,145.60
  6. Step 6: Final answer
    x = 57,596,156.20

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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.