Home / 125,909,838,130.28-188,672,574,180.11-74,757,405,296.50

Finding the Fourth Proportional to 125,909,838,130.28, 188,672,574,180.11 and 74,757,405,296.50

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Solution

The fourth proportional to 125,909,838,130.28, 188,672,574,180.11 and 74,757,405,296.50 is: 112,022,001,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,909,838,130.28 : 188,672,574,180.11 = 74,757,405,296.50 : x
  2. Step 2: Convert to fraction form
    125,909,838,130.28/188,672,574,180.11 = 74,757,405,296.50/x
  3. Step 3: Cross multiply
    125,909,838,130.28x = 188,672,574,180.11 × 74,757,405,296.50
  4. Step 4: Simplify right side
    125,909,838,130.28x = 14,104,672,096,315,875,786,752
  5. Step 5: Solve for x
    x = 14,104,672,096,315,875,786,752/125,909,838,130.28
  6. Step 6: Final answer
    x = 112,022,001,662.19

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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.