Home / 104,816,171.80-157,224,257.70-66,646,898.20

Finding the Fourth Proportional to 104,816,171.80, 157,224,257.70 and 66,646,898.20

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Solution

The fourth proportional to 104,816,171.80, 157,224,257.70 and 66,646,898.20 is: 99,970,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,816,171.80 : 157,224,257.70 = 66,646,898.20 : x
  2. Step 2: Convert to fraction form
    104,816,171.80/157,224,257.70 = 66,646,898.20/x
  3. Step 3: Cross multiply
    104,816,171.80x = 157,224,257.70 × 66,646,898.20
  4. Step 4: Simplify right side
    104,816,171.80x = 10,478,509,097,502,466
  5. Step 5: Solve for x
    x = 10,478,509,097,502,466/104,816,171.80
  6. Step 6: Final answer
    x = 99,970,347.30

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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.