Home / 114,958,052.70-172,437,079.05-103,620,644.70

Finding the Fourth Proportional to 114,958,052.70, 172,437,079.05 and 103,620,644.70

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Solution

The fourth proportional to 114,958,052.70, 172,437,079.05 and 103,620,644.70 is: 155,430,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,958,052.70 : 172,437,079.05 = 103,620,644.70 : x
  2. Step 2: Convert to fraction form
    114,958,052.70/172,437,079.05 = 103,620,644.70/x
  3. Step 3: Cross multiply
    114,958,052.70x = 172,437,079.05 × 103,620,644.70
  4. Step 4: Simplify right side
    114,958,052.70x = 17,868,041,301,345,866
  5. Step 5: Solve for x
    x = 17,868,041,301,345,866/114,958,052.70
  6. Step 6: Final answer
    x = 155,430,967.05

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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.