Home / 125,258,451,993.72-172,862,355,786.93-73,819,182,779.37

Finding the Fourth Proportional to 125,258,451,993.72, 172,862,355,786.93 and 73,819,182,779.37

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Solution

The fourth proportional to 125,258,451,993.72, 172,862,355,786.93 and 73,819,182,779.37 is: 101,873,826,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,258,451,993.72 : 172,862,355,786.93 = 73,819,182,779.37 : x
  2. Step 2: Convert to fraction form
    125,258,451,993.72/172,862,355,786.93 = 73,819,182,779.37/x
  3. Step 3: Cross multiply
    125,258,451,993.72x = 172,862,355,786.93 × 73,819,182,779.37
  4. Step 4: Simplify right side
    125,258,451,993.72x = 12,760,557,837,507,872,423,936
  5. Step 5: Solve for x
    x = 12,760,557,837,507,872,423,936/125,258,451,993.72
  6. Step 6: Final answer
    x = 101,873,826,751.01

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1.5x scale

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.