Home / 175,240,927.20-262,861,390.80-78,196,447.20

Finding the Fourth Proportional to 175,240,927.20, 262,861,390.80 and 78,196,447.20

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Solution

The fourth proportional to 175,240,927.20, 262,861,390.80 and 78,196,447.20 is: 117,294,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,240,927.20 : 262,861,390.80 = 78,196,447.20 : x
  2. Step 2: Convert to fraction form
    175,240,927.20/262,861,390.80 = 78,196,447.20/x
  3. Step 3: Cross multiply
    175,240,927.20x = 262,861,390.80 × 78,196,447.20
  4. Step 4: Simplify right side
    175,240,927.20x = 20,554,826,866,610,768
  5. Step 5: Solve for x
    x = 20,554,826,866,610,768/175,240,927.20
  6. Step 6: Final answer
    x = 117,294,670.80

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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.