Home / 125,620,558.58-188,430,906.21-39,365,715.98

Finding the Fourth Proportional to 125,620,558.58, 188,430,906.21 and 39,365,715.98

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Solution

The fourth proportional to 125,620,558.58, 188,430,906.21 and 39,365,715.98 is: 59,048,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,620,558.58 : 188,430,906.21 = 39,365,715.98 : x
  2. Step 2: Convert to fraction form
    125,620,558.58/188,430,906.21 = 39,365,715.98/x
  3. Step 3: Cross multiply
    125,620,558.58x = 188,430,906.21 × 39,365,715.98
  4. Step 4: Simplify right side
    125,620,558.58x = 7,417,717,534,774,724
  5. Step 5: Solve for x
    x = 7,417,717,534,774,724/125,620,558.58
  6. Step 6: Final answer
    x = 59,048,595.38

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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.