Home / 353,376,168.60-530,064,252.90-137,965,416.60

Finding the Fourth Proportional to 353,376,168.60, 530,064,252.90 and 137,965,416.60

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Solution

The fourth proportional to 353,376,168.60, 530,064,252.90 and 137,965,416.60 is: 206,948,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,376,168.60 : 530,064,252.90 = 137,965,416.60 : x
  2. Step 2: Convert to fraction form
    353,376,168.60/530,064,252.90 = 137,965,416.60/x
  3. Step 3: Cross multiply
    353,376,168.60x = 530,064,252.90 × 137,965,416.60
  4. Step 4: Simplify right side
    353,376,168.60x = 73,130,535,476,116,256
  5. Step 5: Solve for x
    x = 73,130,535,476,116,256/353,376,168.60
  6. Step 6: Final answer
    x = 206,948,124.90

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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.