Home / 291,032,425.60-436,609,291.20-97,004,118.40

Finding the Fourth Proportional to 291,032,425.60, 436,609,291.20 and 97,004,118.40

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Solution

The fourth proportional to 291,032,425.60, 436,609,291.20 and 97,004,118.40 is: 145,526,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,032,425.60 : 436,609,291.20 = 97,004,118.40 : x
  2. Step 2: Convert to fraction form
    291,032,425.60/436,609,291.20 = 97,004,118.40/x
  3. Step 3: Cross multiply
    291,032,425.60x = 436,609,291.20 × 97,004,118.40
  4. Step 4: Simplify right side
    291,032,425.60x = 42,352,899,378,104,880
  5. Step 5: Solve for x
    x = 42,352,899,378,104,880/291,032,425.60
  6. Step 6: Final answer
    x = 145,526,393.81

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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.