Home / 353,940,188.88-530,911,962.65-108,296,431.91

Finding the Fourth Proportional to 353,940,188.88, 530,911,962.65 and 108,296,431.91

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Solution

The fourth proportional to 353,940,188.88, 530,911,962.65 and 108,296,431.91 is: 162,445,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,940,188.88 : 530,911,962.65 = 108,296,431.91 : x
  2. Step 2: Convert to fraction form
    353,940,188.88/530,911,962.65 = 108,296,431.91/x
  3. Step 3: Cross multiply
    353,940,188.88x = 530,911,962.65 × 108,296,431.91
  4. Step 4: Simplify right side
    353,940,188.88x = 57,495,871,210,675,624
  5. Step 5: Solve for x
    x = 57,495,871,210,675,624/353,940,188.88
  6. Step 6: Final answer
    x = 162,445,161.69

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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.