Home / 87,155,690,238.36-120,271,136,395.86-48,572,557,033.32

Finding the Fourth Proportional to 87,155,690,238.36, 120,271,136,395.86 and 48,572,557,033.32

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Solution

The fourth proportional to 87,155,690,238.36, 120,271,136,395.86 and 48,572,557,033.32 is: 67,028,057,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,155,690,238.36 : 120,271,136,395.86 = 48,572,557,033.32 : x
  2. Step 2: Convert to fraction form
    87,155,690,238.36/120,271,136,395.86 = 48,572,557,033.32/x
  3. Step 3: Cross multiply
    87,155,690,238.36x = 120,271,136,395.86 × 48,572,557,033.32
  4. Step 4: Simplify right side
    87,155,690,238.36x = 5,841,876,632,050,118,688,768
  5. Step 5: Solve for x
    x = 5,841,876,632,050,118,688,768/87,155,690,238.36
  6. Step 6: Final answer
    x = 67,028,057,675.56

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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.