Home / 76,320,266.40-114,480,399.60-45,709,264.80

Finding the Fourth Proportional to 76,320,266.40, 114,480,399.60 and 45,709,264.80

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Solution

The fourth proportional to 76,320,266.40, 114,480,399.60 and 45,709,264.80 is: 68,563,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,320,266.40 : 114,480,399.60 = 45,709,264.80 : x
  2. Step 2: Convert to fraction form
    76,320,266.40/114,480,399.60 = 45,709,264.80/x
  3. Step 3: Cross multiply
    76,320,266.40x = 114,480,399.60 × 45,709,264.80
  4. Step 4: Simplify right side
    76,320,266.40x = 5,232,814,899,726,213
  5. Step 5: Solve for x
    x = 5,232,814,899,726,213/76,320,266.40
  6. Step 6: Final answer
    x = 68,563,897.20

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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.