Home / 82,025,308.80-123,085,202.40-30,943,987.20

Finding the Fourth Proportional to 82,025,308.80, 123,085,202.40 and 30,943,987.20

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Solution

The fourth proportional to 82,025,308.80, 123,085,202.40 and 30,943,987.20 is: 46,433,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,025,308.80 : 123,085,202.40 = 30,943,987.20 : x
  2. Step 2: Convert to fraction form
    82,025,308.80/123,085,202.40 = 30,943,987.20/x
  3. Step 3: Cross multiply
    82,025,308.80x = 123,085,202.40 × 30,943,987.20
  4. Step 4: Simplify right side
    82,025,308.80x = 3,808,746,927,575,009.50
  5. Step 5: Solve for x
    x = 3,808,746,927,575,009.50/82,025,308.80
  6. Step 6: Final answer
    x = 46,433,801.75

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1.5x scale

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.