Home / 47,130,135.94-70,543,987.44-25,215,693.76

Finding the Fourth Proportional to 47,130,135.94, 70,543,987.44 and 25,215,693.76

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Solution

The fourth proportional to 47,130,135.94, 70,543,987.44 and 25,215,693.76 is: 37,742,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130,135.94 : 70,543,987.44 = 25,215,693.76 : x
  2. Step 2: Convert to fraction form
    47,130,135.94/70,543,987.44 = 25,215,693.76/x
  3. Step 3: Cross multiply
    47,130,135.94x = 70,543,987.44 × 25,215,693.76
  4. Step 4: Simplify right side
    47,130,135.94x = 1,778,815,583,896,326.50
  5. Step 5: Solve for x
    x = 1,778,815,583,896,326.50/47,130,135.94
  6. Step 6: Final answer
    x = 37,742,636.39

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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.