Home / 195,802,349.76-293,736,985.74-80,723,984.40

Finding the Fourth Proportional to 195,802,349.76, 293,736,985.74 and 80,723,984.40

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Solution

The fourth proportional to 195,802,349.76, 293,736,985.74 and 80,723,984.40 is: 121,099,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,802,349.76 : 293,736,985.74 = 80,723,984.40 : x
  2. Step 2: Convert to fraction form
    195,802,349.76/293,736,985.74 = 80,723,984.40/x
  3. Step 3: Cross multiply
    195,802,349.76x = 293,736,985.74 × 80,723,984.40
  4. Step 4: Simplify right side
    195,802,349.76x = 23,711,619,854,578,784
  5. Step 5: Solve for x
    x = 23,711,619,854,578,784/195,802,349.76
  6. Step 6: Final answer
    x = 121,099,771.70

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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.