Home / 86,851,359.14-130,281,228.66-28,557,746.55

Finding the Fourth Proportional to 86,851,359.14, 130,281,228.66 and 28,557,746.55

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Solution

The fourth proportional to 86,851,359.14, 130,281,228.66 and 28,557,746.55 is: 42,837,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,851,359.14 : 130,281,228.66 = 28,557,746.55 : x
  2. Step 2: Convert to fraction form
    86,851,359.14/130,281,228.66 = 28,557,746.55/x
  3. Step 3: Cross multiply
    86,851,359.14x = 130,281,228.66 × 28,557,746.55
  4. Step 4: Simplify right side
    86,851,359.14x = 3,720,538,308,485,465
  5. Step 5: Solve for x
    x = 3,720,538,308,485,465/86,851,359.14
  6. Step 6: Final answer
    x = 42,837,997.53

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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.