Home / 147,744,672.10-221,617,008.15-79,720,224.10

Finding the Fourth Proportional to 147,744,672.10, 221,617,008.15 and 79,720,224.10

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Solution

The fourth proportional to 147,744,672.10, 221,617,008.15 and 79,720,224.10 is: 119,580,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,672.10 : 221,617,008.15 = 79,720,224.10 : x
  2. Step 2: Convert to fraction form
    147,744,672.10/221,617,008.15 = 79,720,224.10/x
  3. Step 3: Cross multiply
    147,744,672.10x = 221,617,008.15 × 79,720,224.10
  4. Step 4: Simplify right side
    147,744,672.10x = 17,667,357,554,089,526
  5. Step 5: Solve for x
    x = 17,667,357,554,089,526/147,744,672.10
  6. Step 6: Final answer
    x = 119,580,336.15

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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.