Home / 157,447,618.30-236,171,427.45-42,431,938.30

Finding the Fourth Proportional to 157,447,618.30, 236,171,427.45 and 42,431,938.30

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Solution

The fourth proportional to 157,447,618.30, 236,171,427.45 and 42,431,938.30 is: 63,647,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,447,618.30 : 236,171,427.45 = 42,431,938.30 : x
  2. Step 2: Convert to fraction form
    157,447,618.30/236,171,427.45 = 42,431,938.30/x
  3. Step 3: Cross multiply
    157,447,618.30x = 236,171,427.45 × 42,431,938.30
  4. Step 4: Simplify right side
    157,447,618.30x = 10,021,211,437,781,326
  5. Step 5: Solve for x
    x = 10,021,211,437,781,326/157,447,618.30
  6. Step 6: Final answer
    x = 63,647,907.45

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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.