Home / 141,013,189.20-211,071,886.20-100,702,405.20

Finding the Fourth Proportional to 141,013,189.20, 211,071,886.20 and 100,702,405.20

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Solution

The fourth proportional to 141,013,189.20, 211,071,886.20 and 100,702,405.20 is: 150,733,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,013,189.20 : 211,071,886.20 = 100,702,405.20 : x
  2. Step 2: Convert to fraction form
    141,013,189.20/211,071,886.20 = 100,702,405.20/x
  3. Step 3: Cross multiply
    141,013,189.20x = 211,071,886.20 × 100,702,405.20
  4. Step 4: Simplify right side
    141,013,189.20x = 21,255,446,610,440,688
  5. Step 5: Solve for x
    x = 21,255,446,610,440,688/141,013,189.20
  6. Step 6: Final answer
    x = 150,733,748.60

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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.