Home / 213,254,419.53-319,881,629.30-51,696,355.53

Finding the Fourth Proportional to 213,254,419.53, 319,881,629.30 and 51,696,355.53

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Solution

The fourth proportional to 213,254,419.53, 319,881,629.30 and 51,696,355.53 is: 77,544,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,254,419.53 : 319,881,629.30 = 51,696,355.53 : x
  2. Step 2: Convert to fraction form
    213,254,419.53/319,881,629.30 = 51,696,355.53/x
  3. Step 3: Cross multiply
    213,254,419.53x = 319,881,629.30 × 51,696,355.53
  4. Step 4: Simplify right side
    213,254,419.53x = 16,536,714,435,549,984
  5. Step 5: Solve for x
    x = 16,536,714,435,549,984/213,254,419.53
  6. Step 6: Final answer
    x = 77,544,533.30

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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.