Home / 190,549,250.27-285,657,405-73,884,228.72

Finding the Fourth Proportional to 190,549,250.27, 285,657,405 and 73,884,228.72

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Solution

The fourth proportional to 190,549,250.27, 285,657,405 and 73,884,228.72 is: 110,761,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,549,250.27 : 285,657,405 = 73,884,228.72 : x
  2. Step 2: Convert to fraction form
    190,549,250.27/285,657,405 = 73,884,228.72/x
  3. Step 3: Cross multiply
    190,549,250.27x = 285,657,405 × 73,884,228.72
  4. Step 4: Simplify right side
    190,549,250.27x = 21,105,577,046,581,672
  5. Step 5: Solve for x
    x = 21,105,577,046,581,672/190,549,250.27
  6. Step 6: Final answer
    x = 110,761,795.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.