Home / 175,320,020.10-262,980,030.15-79,581,908.10

Finding the Fourth Proportional to 175,320,020.10, 262,980,030.15 and 79,581,908.10

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Solution

The fourth proportional to 175,320,020.10, 262,980,030.15 and 79,581,908.10 is: 119,372,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,320,020.10 : 262,980,030.15 = 79,581,908.10 : x
  2. Step 2: Convert to fraction form
    175,320,020.10/262,980,030.15 = 79,581,908.10/x
  3. Step 3: Cross multiply
    175,320,020.10x = 262,980,030.15 × 79,581,908.10
  4. Step 4: Simplify right side
    175,320,020.10x = 20,928,452,591,532,528
  5. Step 5: Solve for x
    x = 20,928,452,591,532,528/175,320,020.10
  6. Step 6: Final answer
    x = 119,372,862.15

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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.