Home / 291,230,227.18-436,846,973.85-97,141,109.54

Finding the Fourth Proportional to 291,230,227.18, 436,846,973.85 and 97,141,109.54

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Solution

The fourth proportional to 291,230,227.18, 436,846,973.85 and 97,141,109.54 is: 145,712,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,230,227.18 : 436,846,973.85 = 97,141,109.54 : x
  2. Step 2: Convert to fraction form
    291,230,227.18/436,846,973.85 = 97,141,109.54/x
  3. Step 3: Cross multiply
    291,230,227.18x = 436,846,973.85 × 97,141,109.54
  4. Step 4: Simplify right side
    291,230,227.18x = 42,435,799,738,980,368
  5. Step 5: Solve for x
    x = 42,435,799,738,980,368/291,230,227.18
  6. Step 6: Final answer
    x = 145,712,209.03

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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.