Home / 76,872,848.32-105,955,242.06-58,281,832

Finding the Fourth Proportional to 76,872,848.32, 105,955,242.06 and 58,281,832

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Solution

The fourth proportional to 76,872,848.32, 105,955,242.06 and 58,281,832 is: 80,330,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,872,848.32 : 105,955,242.06 = 58,281,832 : x
  2. Step 2: Convert to fraction form
    76,872,848.32/105,955,242.06 = 58,281,832/x
  3. Step 3: Cross multiply
    76,872,848.32x = 105,955,242.06 × 58,281,832
  4. Step 4: Simplify right side
    76,872,848.32x = 6,175,265,617,260,254
  5. Step 5: Solve for x
    x = 6,175,265,617,260,254/76,872,848.32
  6. Step 6: Final answer
    x = 80,330,906.84

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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.