Home / 148,908,115.40-223,362,173.10-72,380,611.40

Finding the Fourth Proportional to 148,908,115.40, 223,362,173.10 and 72,380,611.40

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Solution

The fourth proportional to 148,908,115.40, 223,362,173.10 and 72,380,611.40 is: 108,570,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,908,115.40 : 223,362,173.10 = 72,380,611.40 : x
  2. Step 2: Convert to fraction form
    148,908,115.40/223,362,173.10 = 72,380,611.40/x
  3. Step 3: Cross multiply
    148,908,115.40x = 223,362,173.10 × 72,380,611.40
  4. Step 4: Simplify right side
    148,908,115.40x = 16,167,090,652,610,634
  5. Step 5: Solve for x
    x = 16,167,090,652,610,634/148,908,115.40
  6. Step 6: Final answer
    x = 108,570,917.10

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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.