Home / 125,712,070.20-188,455,912.20-49,017,260.70

Finding the Fourth Proportional to 125,712,070.20, 188,455,912.20 and 49,017,260.70

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Solution

The fourth proportional to 125,712,070.20, 188,455,912.20 and 49,017,260.70 is: 73,482,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,712,070.20 : 188,455,912.20 = 49,017,260.70 : x
  2. Step 2: Convert to fraction form
    125,712,070.20/188,455,912.20 = 49,017,260.70/x
  3. Step 3: Cross multiply
    125,712,070.20x = 188,455,912.20 × 49,017,260.70
  4. Step 4: Simplify right side
    125,712,070.20x = 9,237,592,578,763,710
  5. Step 5: Solve for x
    x = 9,237,592,578,763,710/125,712,070.20
  6. Step 6: Final answer
    x = 73,482,145.06

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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.