Home / 561,348,146.88-842,101,345.28-173,202,536.16

Finding the Fourth Proportional to 561,348,146.88, 842,101,345.28 and 173,202,536.16

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Solution

The fourth proportional to 561,348,146.88, 842,101,345.28 and 173,202,536.16 is: 259,828,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,348,146.88 : 842,101,345.28 = 173,202,536.16 : x
  2. Step 2: Convert to fraction form
    561,348,146.88/842,101,345.28 = 173,202,536.16/x
  3. Step 3: Cross multiply
    561,348,146.88x = 842,101,345.28 × 173,202,536.16
  4. Step 4: Simplify right side
    561,348,146.88x = 145,854,088,706,243,840
  5. Step 5: Solve for x
    x = 145,854,088,706,243,840/561,348,146.88
  6. Step 6: Final answer
    x = 259,828,218.04

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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.