Home / 124,986,931.10-187,412,051.52-99,244,593.36

Finding the Fourth Proportional to 124,986,931.10, 187,412,051.52 and 99,244,593.36

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Solution

The fourth proportional to 124,986,931.10, 187,412,051.52 and 99,244,593.36 is: 148,812,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,986,931.10 : 187,412,051.52 = 99,244,593.36 : x
  2. Step 2: Convert to fraction form
    124,986,931.10/187,412,051.52 = 99,244,593.36/x
  3. Step 3: Cross multiply
    124,986,931.10x = 187,412,051.52 × 99,244,593.36
  4. Step 4: Simplify right side
    124,986,931.10x = 18,599,632,843,865,772
  5. Step 5: Solve for x
    x = 18,599,632,843,865,772/124,986,931.10
  6. Step 6: Final answer
    x = 148,812,621.29

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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.