Home / 120,226,782.21-165,895,259.13-67,300,739.07

Finding the Fourth Proportional to 120,226,782.21, 165,895,259.13 and 67,300,739.07

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Solution

The fourth proportional to 120,226,782.21, 165,895,259.13 and 67,300,739.07 is: 92,865,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,226,782.21 : 165,895,259.13 = 67,300,739.07 : x
  2. Step 2: Convert to fraction form
    120,226,782.21/165,895,259.13 = 67,300,739.07/x
  3. Step 3: Cross multiply
    120,226,782.21x = 165,895,259.13 × 67,300,739.07
  4. Step 4: Simplify right side
    120,226,782.21x = 11,164,873,547,658,164
  5. Step 5: Solve for x
    x = 11,164,873,547,658,164/120,226,782.21
  6. Step 6: Final answer
    x = 92,865,111.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.