Home / 291,090,159.90-436,635,239.85-97,007,906.70

Finding the Fourth Proportional to 291,090,159.90, 436,635,239.85 and 97,007,906.70

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Solution

The fourth proportional to 291,090,159.90, 436,635,239.85 and 97,007,906.70 is: 145,511,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,090,159.90 : 436,635,239.85 = 97,007,906.70 : x
  2. Step 2: Convert to fraction form
    291,090,159.90/436,635,239.85 = 97,007,906.70/x
  3. Step 3: Cross multiply
    291,090,159.90x = 436,635,239.85 × 97,007,906.70
  4. Step 4: Simplify right side
    291,090,159.90x = 42,357,070,609,300,928
  5. Step 5: Solve for x
    x = 42,357,070,609,300,928/291,090,159.90
  6. Step 6: Final answer
    x = 145,511,860.05

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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.