Home / 125,920,091.40-173,782,656.60-75,700,568.16

Finding the Fourth Proportional to 125,920,091.40, 173,782,656.60 and 75,700,568.16

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Solution

The fourth proportional to 125,920,091.40, 173,782,656.60 and 75,700,568.16 is: 104,474,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,920,091.40 : 173,782,656.60 = 75,700,568.16 : x
  2. Step 2: Convert to fraction form
    125,920,091.40/173,782,656.60 = 75,700,568.16/x
  3. Step 3: Cross multiply
    125,920,091.40x = 173,782,656.60 × 75,700,568.16
  4. Step 4: Simplify right side
    125,920,091.40x = 13,155,445,840,974,172
  5. Step 5: Solve for x
    x = 13,155,445,840,974,172/125,920,091.40
  6. Step 6: Final answer
    x = 104,474,557.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.