Home / 109,890,114.70-164,835,172.05-103,619,548.30

Finding the Fourth Proportional to 109,890,114.70, 164,835,172.05 and 103,619,548.30

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Solution

The fourth proportional to 109,890,114.70, 164,835,172.05 and 103,619,548.30 is: 155,429,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,890,114.70 : 164,835,172.05 = 103,619,548.30 : x
  2. Step 2: Convert to fraction form
    109,890,114.70/164,835,172.05 = 103,619,548.30/x
  3. Step 3: Cross multiply
    109,890,114.70x = 164,835,172.05 × 103,619,548.30
  4. Step 4: Simplify right side
    109,890,114.70x = 17,080,146,071,773,786
  5. Step 5: Solve for x
    x = 17,080,146,071,773,786/109,890,114.70
  6. Step 6: Final answer
    x = 155,429,322.45

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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.