Home / 157,449,756.80-236,001,424.80-55,161,142.40

Finding the Fourth Proportional to 157,449,756.80, 236,001,424.80 and 55,161,142.40

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Solution

The fourth proportional to 157,449,756.80, 236,001,424.80 and 55,161,142.40 is: 82,681,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,449,756.80 : 236,001,424.80 = 55,161,142.40 : x
  2. Step 2: Convert to fraction form
    157,449,756.80/236,001,424.80 = 55,161,142.40/x
  3. Step 3: Cross multiply
    157,449,756.80x = 236,001,424.80 × 55,161,142.40
  4. Step 4: Simplify right side
    157,449,756.80x = 13,018,108,199,995,692
  5. Step 5: Solve for x
    x = 13,018,108,199,995,692/157,449,756.80
  6. Step 6: Final answer
    x = 82,681,030.85

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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.