Home / 126,629,166.60-189,943,749.90-119,574,779.40

Finding the Fourth Proportional to 126,629,166.60, 189,943,749.90 and 119,574,779.40

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Solution

The fourth proportional to 126,629,166.60, 189,943,749.90 and 119,574,779.40 is: 179,362,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,629,166.60 : 189,943,749.90 = 119,574,779.40 : x
  2. Step 2: Convert to fraction form
    126,629,166.60/189,943,749.90 = 119,574,779.40/x
  3. Step 3: Cross multiply
    126,629,166.60x = 189,943,749.90 × 119,574,779.40
  4. Step 4: Simplify right side
    126,629,166.60x = 22,712,481,992,701,272
  5. Step 5: Solve for x
    x = 22,712,481,992,701,272/126,629,166.60
  6. Step 6: Final answer
    x = 179,362,169.10

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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.