Home / 72,697,295.70-109,045,943.55-69,827,514.30

Finding the Fourth Proportional to 72,697,295.70, 109,045,943.55 and 69,827,514.30

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Solution

The fourth proportional to 72,697,295.70, 109,045,943.55 and 69,827,514.30 is: 104,741,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,697,295.70 : 109,045,943.55 = 69,827,514.30 : x
  2. Step 2: Convert to fraction form
    72,697,295.70/109,045,943.55 = 69,827,514.30/x
  3. Step 3: Cross multiply
    72,697,295.70x = 109,045,943.55 × 69,827,514.30
  4. Step 4: Simplify right side
    72,697,295.70x = 7,614,407,182,594,617
  5. Step 5: Solve for x
    x = 7,614,407,182,594,617/72,697,295.70
  6. Step 6: Final answer
    x = 104,741,271.45

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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.