Home / 130,453,467.30-180,015,083.64-76,799,612.23

Finding the Fourth Proportional to 130,453,467.30, 180,015,083.64 and 76,799,612.23

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Solution

The fourth proportional to 130,453,467.30, 180,015,083.64 and 76,799,612.23 is: 105,977,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,453,467.30 : 180,015,083.64 = 76,799,612.23 : x
  2. Step 2: Convert to fraction form
    130,453,467.30/180,015,083.64 = 76,799,612.23/x
  3. Step 3: Cross multiply
    130,453,467.30x = 180,015,083.64 × 76,799,612.23
  4. Step 4: Simplify right side
    130,453,467.30x = 13,825,088,618,652,980
  5. Step 5: Solve for x
    x = 13,825,088,618,652,980/130,453,467.30
  6. Step 6: Final answer
    x = 105,977,164.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.