Home / 140,425,824.83-210,658,886.81-43,390,005.35

Finding the Fourth Proportional to 140,425,824.83, 210,658,886.81 and 43,390,005.35

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Solution

The fourth proportional to 140,425,824.83, 210,658,886.81 and 43,390,005.35 is: 65,091,234.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,425,824.83 : 210,658,886.81 = 43,390,005.35 : x
  2. Step 2: Convert to fraction form
    140,425,824.83/210,658,886.81 = 43,390,005.35/x
  3. Step 3: Cross multiply
    140,425,824.83x = 210,658,886.81 × 43,390,005.35
  4. Step 4: Simplify right side
    140,425,824.83x = 9,140,490,226,183,354
  5. Step 5: Solve for x
    x = 9,140,490,226,183,354/140,425,824.83
  6. Step 6: Final answer
    x = 65,091,234.02

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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.