Home / 72,929,905.96-100,674,259.14-45,441,415.48

Finding the Fourth Proportional to 72,929,905.96, 100,674,259.14 and 45,441,415.48

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Solution

The fourth proportional to 72,929,905.96, 100,674,259.14 and 45,441,415.48 is: 62,728,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,929,905.96 : 100,674,259.14 = 45,441,415.48 : x
  2. Step 2: Convert to fraction form
    72,929,905.96/100,674,259.14 = 45,441,415.48/x
  3. Step 3: Cross multiply
    72,929,905.96x = 100,674,259.14 × 45,441,415.48
  4. Step 4: Simplify right side
    72,929,905.96x = 4,574,780,837,721,927
  5. Step 5: Solve for x
    x = 4,574,780,837,721,927/72,929,905.96
  6. Step 6: Final answer
    x = 62,728,462.04

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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.