Home / 67,386,811.76-100,814,261.80-51,039,188.45

Finding the Fourth Proportional to 67,386,811.76, 100,814,261.80 and 51,039,188.45

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Solution

The fourth proportional to 67,386,811.76, 100,814,261.80 and 51,039,188.45 is: 76,357,346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,386,811.76 : 100,814,261.80 = 51,039,188.45 : x
  2. Step 2: Convert to fraction form
    67,386,811.76/100,814,261.80 = 51,039,188.45/x
  3. Step 3: Cross multiply
    67,386,811.76x = 100,814,261.80 × 51,039,188.45
  4. Step 4: Simplify right side
    67,386,811.76x = 5,145,478,105,953,765
  5. Step 5: Solve for x
    x = 5,145,478,105,953,765/67,386,811.76
  6. Step 6: Final answer
    x = 76,357,346.07

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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.