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Finding the Fourth Proportional to 145,687,463.84, 218,139,609.36 and 110,978,536.16

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Solution

The fourth proportional to 145,687,463.84, 218,139,609.36 and 110,978,536.16 is: 166,169,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,687,463.84 : 218,139,609.36 = 110,978,536.16 : x
  2. Step 2: Convert to fraction form
    145,687,463.84/218,139,609.36 = 110,978,536.16/x
  3. Step 3: Cross multiply
    145,687,463.84x = 218,139,609.36 × 110,978,536.16
  4. Step 4: Simplify right side
    145,687,463.84x = 24,208,814,525,287,036
  5. Step 5: Solve for x
    x = 24,208,814,525,287,036/145,687,463.84
  6. Step 6: Final answer
    x = 166,169,510.31

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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.