Home / 65,415,281.40-98,122,922.10-64,967,383.80

Finding the Fourth Proportional to 65,415,281.40, 98,122,922.10 and 64,967,383.80

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Solution

The fourth proportional to 65,415,281.40, 98,122,922.10 and 64,967,383.80 is: 97,451,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,415,281.40 : 98,122,922.10 = 64,967,383.80 : x
  2. Step 2: Convert to fraction form
    65,415,281.40/98,122,922.10 = 64,967,383.80/x
  3. Step 3: Cross multiply
    65,415,281.40x = 98,122,922.10 × 64,967,383.80
  4. Step 4: Simplify right side
    65,415,281.40x = 6,374,789,539,648,201
  5. Step 5: Solve for x
    x = 6,374,789,539,648,201/65,415,281.40
  6. Step 6: Final answer
    x = 97,451,075.70

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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.