Home / 346,813,801.08-520,091,089.04-139,482,231.80

Finding the Fourth Proportional to 346,813,801.08, 520,091,089.04 and 139,482,231.80

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Solution

The fourth proportional to 346,813,801.08, 520,091,089.04 and 139,482,231.80 is: 209,171,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,813,801.08 : 520,091,089.04 = 139,482,231.80 : x
  2. Step 2: Convert to fraction form
    346,813,801.08/520,091,089.04 = 139,482,231.80/x
  3. Step 3: Cross multiply
    346,813,801.08x = 520,091,089.04 × 139,482,231.80
  4. Step 4: Simplify right side
    346,813,801.08x = 72,543,465,838,591,728
  5. Step 5: Solve for x
    x = 72,543,465,838,591,728/346,813,801.08
  6. Step 6: Final answer
    x = 209,171,219.87

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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.