Home / 77,130,321.32-115,614,140.16-25,301,390.06

Finding the Fourth Proportional to 77,130,321.32, 115,614,140.16 and 25,301,390.06

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Solution

The fourth proportional to 77,130,321.32, 115,614,140.16 and 25,301,390.06 is: 37,925,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,130,321.32 : 115,614,140.16 = 25,301,390.06 : x
  2. Step 2: Convert to fraction form
    77,130,321.32/115,614,140.16 = 25,301,390.06/x
  3. Step 3: Cross multiply
    77,130,321.32x = 115,614,140.16 × 25,301,390.06
  4. Step 4: Simplify right side
    77,130,321.32x = 2,925,198,456,639,670.50
  5. Step 5: Solve for x
    x = 2,925,198,456,639,670.50/77,130,321.32
  6. Step 6: Final answer
    x = 37,925,402.18

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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.