Home / 65,980,966.20-98,971,449.30-57,477,910.20

Finding the Fourth Proportional to 65,980,966.20, 98,971,449.30 and 57,477,910.20

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Solution

The fourth proportional to 65,980,966.20, 98,971,449.30 and 57,477,910.20 is: 86,216,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,980,966.20 : 98,971,449.30 = 57,477,910.20 : x
  2. Step 2: Convert to fraction form
    65,980,966.20/98,971,449.30 = 57,477,910.20/x
  3. Step 3: Cross multiply
    65,980,966.20x = 98,971,449.30 × 57,477,910.20
  4. Step 4: Simplify right side
    65,980,966.20x = 5,688,672,075,229,253
  5. Step 5: Solve for x
    x = 5,688,672,075,229,253/65,980,966.20
  6. Step 6: Final answer
    x = 86,216,865.30

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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.