Home / 65,983,427.20-98,975,140.80-57,480,371.20

Finding the Fourth Proportional to 65,983,427.20, 98,975,140.80 and 57,480,371.20

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Solution

The fourth proportional to 65,983,427.20, 98,975,140.80 and 57,480,371.20 is: 86,220,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,983,427.20 : 98,975,140.80 = 57,480,371.20 : x
  2. Step 2: Convert to fraction form
    65,983,427.20/98,975,140.80 = 57,480,371.20/x
  3. Step 3: Cross multiply
    65,983,427.20x = 98,975,140.80 × 57,480,371.20
  4. Step 4: Simplify right side
    65,983,427.20x = 5,689,127,832,756,265
  5. Step 5: Solve for x
    x = 5,689,127,832,756,265/65,983,427.20
  6. Step 6: Final answer
    x = 86,220,556.80

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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.