Home / 125,301,118,628.85-172,915,562,361.33-68,208,862,542.72

Finding the Fourth Proportional to 125,301,118,628.85, 172,915,562,361.33 and 68,208,862,542.72

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Solution

The fourth proportional to 125,301,118,628.85, 172,915,562,361.33 and 68,208,862,542.72 is: 94,128,240,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,301,118,628.85 : 172,915,562,361.33 = 68,208,862,542.72 : x
  2. Step 2: Convert to fraction form
    125,301,118,628.85/172,915,562,361.33 = 68,208,862,542.72/x
  3. Step 3: Cross multiply
    125,301,118,628.85x = 172,915,562,361.33 × 68,208,862,542.72
  4. Step 4: Simplify right side
    125,301,118,628.85x = 11,794,373,824,601,084,919,808
  5. Step 5: Solve for x
    x = 11,794,373,824,601,084,919,808/125,301,118,628.85
  6. Step 6: Final answer
    x = 94,128,240,463.17

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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.