Home / 158,452,407.92-218,411,664.36-124,907,186.72

Finding the Fourth Proportional to 158,452,407.92, 218,411,664.36 and 124,907,186.72

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Solution

The fourth proportional to 158,452,407.92, 218,411,664.36 and 124,907,186.72 is: 172,172,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,452,407.92 : 218,411,664.36 = 124,907,186.72 : x
  2. Step 2: Convert to fraction form
    158,452,407.92/218,411,664.36 = 124,907,186.72/x
  3. Step 3: Cross multiply
    158,452,407.92x = 218,411,664.36 × 124,907,186.72
  4. Step 4: Simplify right side
    158,452,407.92x = 27,281,186,542,040,492
  5. Step 5: Solve for x
    x = 27,281,186,542,040,492/158,452,407.92
  6. Step 6: Final answer
    x = 172,172,748.27

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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.