Home / 74,903,410.30-112,355,115.45-52,209,931.90

Finding the Fourth Proportional to 74,903,410.30, 112,355,115.45 and 52,209,931.90

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Solution

The fourth proportional to 74,903,410.30, 112,355,115.45 and 52,209,931.90 is: 78,314,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,903,410.30 : 112,355,115.45 = 52,209,931.90 : x
  2. Step 2: Convert to fraction form
    74,903,410.30/112,355,115.45 = 52,209,931.90/x
  3. Step 3: Cross multiply
    74,903,410.30x = 112,355,115.45 × 52,209,931.90
  4. Step 4: Simplify right side
    74,903,410.30x = 5,866,052,926,261,138
  5. Step 5: Solve for x
    x = 5,866,052,926,261,138/74,903,410.30
  6. Step 6: Final answer
    x = 78,314,897.85

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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.