Home / 65,200,679.20-97,801,018.80-64,244,085.40

Finding the Fourth Proportional to 65,200,679.20, 97,801,018.80 and 64,244,085.40

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Solution

The fourth proportional to 65,200,679.20, 97,801,018.80 and 64,244,085.40 is: 96,366,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,679.20 : 97,801,018.80 = 64,244,085.40 : x
  2. Step 2: Convert to fraction form
    65,200,679.20/97,801,018.80 = 64,244,085.40/x
  3. Step 3: Cross multiply
    65,200,679.20x = 97,801,018.80 × 64,244,085.40
  4. Step 4: Simplify right side
    65,200,679.20x = 6,283,137,003,994,205
  5. Step 5: Solve for x
    x = 6,283,137,003,994,205/65,200,679.20
  6. Step 6: Final answer
    x = 96,366,128.10

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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.