Home / 157,447,617.80-236,171,426.70-42,431,937.80

Finding the Fourth Proportional to 157,447,617.80, 236,171,426.70 and 42,431,937.80

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Solution

The fourth proportional to 157,447,617.80, 236,171,426.70 and 42,431,937.80 is: 63,647,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,447,617.80 : 236,171,426.70 = 42,431,937.80 : x
  2. Step 2: Convert to fraction form
    157,447,617.80/236,171,426.70 = 42,431,937.80/x
  3. Step 3: Cross multiply
    157,447,617.80x = 236,171,426.70 × 42,431,937.80
  4. Step 4: Simplify right side
    157,447,617.80x = 10,021,211,287,871,658
  5. Step 5: Solve for x
    x = 10,021,211,287,871,658/157,447,617.80
  6. Step 6: Final answer
    x = 63,647,906.70

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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.