Home / 65,337,619.72-98,009,133.92-19,279,488.64

Finding the Fourth Proportional to 65,337,619.72, 98,009,133.92 and 19,279,488.64

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Solution

The fourth proportional to 65,337,619.72, 98,009,133.92 and 19,279,488.64 is: 28,920,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,337,619.72 : 98,009,133.92 = 19,279,488.64 : x
  2. Step 2: Convert to fraction form
    65,337,619.72/98,009,133.92 = 19,279,488.64/x
  3. Step 3: Cross multiply
    65,337,619.72x = 98,009,133.92 × 19,279,488.64
  4. Step 4: Simplify right side
    65,337,619.72x = 1,889,565,984,026,878.75
  5. Step 5: Solve for x
    x = 1,889,565,984,026,878.75/65,337,619.72
  6. Step 6: Final answer
    x = 28,920,030.94

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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.