Home / 86,851,356.28-130,281,224.37-28,557,743.69

Finding the Fourth Proportional to 86,851,356.28, 130,281,224.37 and 28,557,743.69

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Solution

The fourth proportional to 86,851,356.28, 130,281,224.37 and 28,557,743.69 is: 42,837,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,851,356.28 : 130,281,224.37 = 28,557,743.69 : x
  2. Step 2: Convert to fraction form
    86,851,356.28/130,281,224.37 = 28,557,743.69/x
  3. Step 3: Cross multiply
    86,851,356.28x = 130,281,224.37 × 28,557,743.69
  4. Step 4: Simplify right side
    86,851,356.28x = 3,720,537,813,432,150.50
  5. Step 5: Solve for x
    x = 3,720,537,813,432,150.50/86,851,356.28
  6. Step 6: Final answer
    x = 42,837,993.24

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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.