Home / 125,412,321.81-188,142,708.66-47,683,182.20

Finding the Fourth Proportional to 125,412,321.81, 188,142,708.66 and 47,683,182.20

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Solution

The fourth proportional to 125,412,321.81, 188,142,708.66 and 47,683,182.20 is: 71,533,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412,321.81 : 188,142,708.66 = 47,683,182.20 : x
  2. Step 2: Convert to fraction form
    125,412,321.81/188,142,708.66 = 47,683,182.20/x
  3. Step 3: Cross multiply
    125,412,321.81x = 188,142,708.66 × 47,683,182.20
  4. Step 4: Simplify right side
    125,412,321.81x = 8,971,243,055,695,584
  5. Step 5: Solve for x
    x = 8,971,243,055,695,584/125,412,321.81
  6. Step 6: Final answer
    x = 71,533,984.27

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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.