Home / 76,872,936.04-106,084,647.48-42,065,630.68

Finding the Fourth Proportional to 76,872,936.04, 106,084,647.48 and 42,065,630.68

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Solution

The fourth proportional to 76,872,936.04, 106,084,647.48 and 42,065,630.68 is: 58,050,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,872,936.04 : 106,084,647.48 = 42,065,630.68 : x
  2. Step 2: Convert to fraction form
    76,872,936.04/106,084,647.48 = 42,065,630.68/x
  3. Step 3: Cross multiply
    76,872,936.04x = 106,084,647.48 × 42,065,630.68
  4. Step 4: Simplify right side
    76,872,936.04x = 4,462,517,601,711,673
  5. Step 5: Solve for x
    x = 4,462,517,601,711,673/76,872,936.04
  6. Step 6: Final answer
    x = 58,050,568.01

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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.