Home / 86,851,396.32-130,281,284.14-28,557,783.70

Finding the Fourth Proportional to 86,851,396.32, 130,281,284.14 and 28,557,783.70

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Solution

The fourth proportional to 86,851,396.32, 130,281,284.14 and 28,557,783.70 is: 42,838,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,851,396.32 : 130,281,284.14 = 28,557,783.70 : x
  2. Step 2: Convert to fraction form
    86,851,396.32/130,281,284.14 = 28,557,783.70/x
  3. Step 3: Cross multiply
    86,851,396.32x = 130,281,284.14 × 28,557,783.70
  4. Step 4: Simplify right side
    86,851,396.32x = 3,720,544,732,628,360.50
  5. Step 5: Solve for x
    x = 3,720,544,732,628,360.50/86,851,396.32
  6. Step 6: Final answer
    x = 42,838,053.16

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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.