Home / 76,127,983.48-105,056,723.55-41,320,681.84

Finding the Fourth Proportional to 76,127,983.48, 105,056,723.55 and 41,320,681.84

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Solution

The fourth proportional to 76,127,983.48, 105,056,723.55 and 41,320,681.84 is: 57,022,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,127,983.48 : 105,056,723.55 = 41,320,681.84 : x
  2. Step 2: Convert to fraction form
    76,127,983.48/105,056,723.55 = 41,320,681.84/x
  3. Step 3: Cross multiply
    76,127,983.48x = 105,056,723.55 × 41,320,681.84
  4. Step 4: Simplify right side
    76,127,983.48x = 4,341,015,448,962,385.50
  5. Step 5: Solve for x
    x = 4,341,015,448,962,385.50/76,127,983.48
  6. Step 6: Final answer
    x = 57,022,598.66

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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.