Home / 103,143,375.57-154,533,450.61-96,999,127.45

Finding the Fourth Proportional to 103,143,375.57, 154,533,450.61 and 96,999,127.45

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Solution

The fourth proportional to 103,143,375.57, 154,533,450.61 and 96,999,127.45 is: 145,327,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,143,375.57 : 154,533,450.61 = 96,999,127.45 : x
  2. Step 2: Convert to fraction form
    103,143,375.57/154,533,450.61 = 96,999,127.45/x
  3. Step 3: Cross multiply
    103,143,375.57x = 154,533,450.61 × 96,999,127.45
  4. Step 4: Simplify right side
    103,143,375.57x = 14,989,609,871,007,672
  5. Step 5: Solve for x
    x = 14,989,609,871,007,672/103,143,375.57
  6. Step 6: Final answer
    x = 145,327,897.10

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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.