Home / 76,872,847.32-105,955,240.68-58,281,831

Finding the Fourth Proportional to 76,872,847.32, 105,955,240.68 and 58,281,831

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Solution

The fourth proportional to 76,872,847.32, 105,955,240.68 and 58,281,831 is: 80,330,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,872,847.32 : 105,955,240.68 = 58,281,831 : x
  2. Step 2: Convert to fraction form
    76,872,847.32/105,955,240.68 = 58,281,831/x
  3. Step 3: Cross multiply
    76,872,847.32x = 105,955,240.68 × 58,281,831
  4. Step 4: Simplify right side
    76,872,847.32x = 6,175,265,430,876,085
  5. Step 5: Solve for x
    x = 6,175,265,430,876,085/76,872,847.32
  6. Step 6: Final answer
    x = 80,330,905.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.