Home / 125,980,988.16-188,903,099.88-56,812,862.55

Finding the Fourth Proportional to 125,980,988.16, 188,903,099.88 and 56,812,862.55

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Solution

The fourth proportional to 125,980,988.16, 188,903,099.88 and 56,812,862.55 is: 85,188,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,980,988.16 : 188,903,099.88 = 56,812,862.55 : x
  2. Step 2: Convert to fraction form
    125,980,988.16/188,903,099.88 = 56,812,862.55/x
  3. Step 3: Cross multiply
    125,980,988.16x = 188,903,099.88 × 56,812,862.55
  4. Step 4: Simplify right side
    125,980,988.16x = 10,732,125,848,751,360
  5. Step 5: Solve for x
    x = 10,732,125,848,751,360/125,980,988.16
  6. Step 6: Final answer
    x = 85,188,455.86

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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.