Home / 505,612,201.60-758,418,302.40-142,106,557.60

Finding the Fourth Proportional to 505,612,201.60, 758,418,302.40 and 142,106,557.60

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Solution

The fourth proportional to 505,612,201.60, 758,418,302.40 and 142,106,557.60 is: 213,159,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,612,201.60 : 758,418,302.40 = 142,106,557.60 : x
  2. Step 2: Convert to fraction form
    505,612,201.60/758,418,302.40 = 142,106,557.60/x
  3. Step 3: Cross multiply
    505,612,201.60x = 758,418,302.40 × 142,106,557.60
  4. Step 4: Simplify right side
    505,612,201.60x = 107,776,214,174,899,808
  5. Step 5: Solve for x
    x = 107,776,214,174,899,808/505,612,201.60
  6. Step 6: Final answer
    x = 213,159,836.40

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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.