Home / 125,827,505.86-188,751,970.89-38,408,658.30

Finding the Fourth Proportional to 125,827,505.86, 188,751,970.89 and 38,408,658.30

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Solution

The fourth proportional to 125,827,505.86, 188,751,970.89 and 38,408,658.30 is: 57,616,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,827,505.86 : 188,751,970.89 = 38,408,658.30 : x
  2. Step 2: Convert to fraction form
    125,827,505.86/188,751,970.89 = 38,408,658.30/x
  3. Step 3: Cross multiply
    125,827,505.86x = 188,751,970.89 × 38,408,658.30
  4. Step 4: Simplify right side
    125,827,505.86x = 7,249,709,953,365,556
  5. Step 5: Solve for x
    x = 7,249,709,953,365,556/125,827,505.86
  6. Step 6: Final answer
    x = 57,616,257.30

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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.