Home / 125,388,001.10-188,082,001.65-76,282,852.70

Finding the Fourth Proportional to 125,388,001.10, 188,082,001.65 and 76,282,852.70

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Solution

The fourth proportional to 125,388,001.10, 188,082,001.65 and 76,282,852.70 is: 114,424,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,388,001.10 : 188,082,001.65 = 76,282,852.70 : x
  2. Step 2: Convert to fraction form
    125,388,001.10/188,082,001.65 = 76,282,852.70/x
  3. Step 3: Cross multiply
    125,388,001.10x = 188,082,001.65 × 76,282,852.70
  4. Step 4: Simplify right side
    125,388,001.10x = 14,347,431,627,388,108
  5. Step 5: Solve for x
    x = 14,347,431,627,388,108/125,388,001.10
  6. Step 6: Final answer
    x = 114,424,279.05

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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.