Home / 291,230,245.68-436,847,001.54-97,141,128

Finding the Fourth Proportional to 291,230,245.68, 436,847,001.54 and 97,141,128

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Solution

The fourth proportional to 291,230,245.68, 436,847,001.54 and 97,141,128 is: 145,712,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,230,245.68 : 436,847,001.54 = 97,141,128 : x
  2. Step 2: Convert to fraction form
    291,230,245.68/436,847,001.54 = 97,141,128/x
  3. Step 3: Cross multiply
    291,230,245.68x = 436,847,001.54 × 97,141,128
  4. Step 4: Simplify right side
    291,230,245.68x = 42,435,810,493,013,336
  5. Step 5: Solve for x
    x = 42,435,810,493,013,336/291,230,245.68
  6. Step 6: Final answer
    x = 145,712,236.70

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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.