Home / 126,291,613.76-189,444,106.40-40,036,748.48

Finding the Fourth Proportional to 126,291,613.76, 189,444,106.40 and 40,036,748.48

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Solution

The fourth proportional to 126,291,613.76, 189,444,106.40 and 40,036,748.48 is: 60,057,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,291,613.76 : 189,444,106.40 = 40,036,748.48 : x
  2. Step 2: Convert to fraction form
    126,291,613.76/189,444,106.40 = 40,036,748.48/x
  3. Step 3: Cross multiply
    126,291,613.76x = 189,444,106.40 × 40,036,748.48
  4. Step 4: Simplify right side
    126,291,613.76x = 7,584,726,038,955,158
  5. Step 5: Solve for x
    x = 7,584,726,038,955,158/126,291,613.76
  6. Step 6: Final answer
    x = 60,057,242.23

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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.